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Otis Milburn is one of the main characters in Sex Education. He is portrayed by Asa Butterfield.

He is an awkward teenager who struggles with his mother's occupation and her interference in his personal and sexual life.

Early Life[]

Otis grew up as the son of two sex and relationship therapists, Remi and Jean Milburn, from which he acquired an extensive knowledge of sex and relationship psychology, placing him well to give advice to his peers.

At some point during Otis' childhood, he witnessed his father having sexual intercourse with one of his clients, which left him confused and scared due to his lack of understanding. Upon asking his mother about the situation, she discovered Remi had cheated on her and, as a self-believed comfort, told Otis what sex involved and added that it could ruin lives as well as bring pleasure to them.

This knowledge gave Otis undiagnosed form of PTSD which affected him in later life. Jean split with Remi, causing him to move to America, and raised Otis alone. Accordingly, Jean became extremely protective of her son which made her decide to not involve herself in serious relationships, instead opting for a revolving door of one-night stands with clients and strangers alike; something Otis evidently disapproves of.

Throughout the Series[]

Season 1[]

Upon reaching sixth form alongside his best friend, Eric, Otis discovered he had picked up his mother's gift and gave sex therapy and advice to Adam Groff, who was taking Viagra pills to impress his girlfriend. Maeve Wiley, who was present at the time, was impressed by Otis' skills and invited him to start a clinic with her in order to make money. Maeve had recently been abandoned by her parents, and later also her brother, and needed to pay rent. Otis is at first reluctant, but he eventually agrees.

Over the course of the show, Otis and Maeve become considerably closer, most evidently after Maeve got an abortion after becoming pregnant by Jackson Marchetti, her boyfriend at the time. Otis waited for her - despite having being told to go home - and walked her back to the caravan site where she lives. Maeve was surprised by Otis' dedication and reliability, and later in the show, is more open with him. But after discovering that Otis told Jackson personal information about her in order to impress her and make her his girlfriend, Maeve felt betrayed and angry causing her to ignore Otis. In an effort to make up for his actions, Otis stole the Essay Award that Adam had received (for an essay that he paid Maeve to write for him), and sent both the award and an apology letter to her, believing the award belonged to Maeve and not Adam. Maeve visits him only to discover him kissing his new girlfriend, Ola. Maeve then returns home.

Season 2[]

At the beginning of Season 2, Otis finds himself dealing with excessive erections and masturbation. He is dating Ola, though he continues having suppressed feelings for Maeve. He and Ola talk about having sex in the second season, but Otis can't seem to go through with it and Ola realizes the both of them aren't in love with each other, and they should've stayed friends in the first place. They break up as Ola is pansexual and grew feelings for Lily.

Otis continues to hold his sex clinic at school. However, due to the students' lack of knowledge about sex, Dr. Milburn (Otis' mother) visits the school to give talks on the subject, thereby putting Otis' status as the "school sexpert" in danger.

Otis embarrasses Ola and Maeve at a party he hosted, exposing why Ola broke up with him and why he sent Maeve the text, and realizes later that he screwed everything up. In the final episode of season 2, he confronted his dad about leaving him as a child, and leaves Maeve a voicemail confessing his love, but the voicemail gets deleted by Isaac.

Season 3[]

In Season 3, Otis is dating Ruby Matthews secretly, however word eventually gets out (Otis told Eric, Eric told Adam,Adam told Ola, Ola tells Lily and eventually told everyone),and they start to date openly in public. After spending some time with Otis, bringing him to her home that she's never brought anyone to, met her father,Ruby tells Otis she loves him and Otis can't say it back because he doesn't feel the same way,as he still has feelings for Maeve. Adding up to the kiss with Maeve at the France School Trip,this leads them to eventually break up.

Otis fights with his mom before she unexpectedly gives birth. In the hospital, she almost dies and Otis is devastated and regretful of all of the harsh words he said before. Jean makes it and Otis apologizes and promises to be better for her and his new little sister.

At the end of the season, Otis and Maeve finally kiss and make up. They decide to make things work after some back and forth and a brief confrontation with Isaac. However, Maeve ultimately decides to go to America and tells Otis it's not goodbye, it's "See you Soon". Otis seems very sad but is also proud of her. It's implied that he will continue the school sex clinic on his own.


Love interests & sexual partners[]

Maeve Wiley[]

The relationship between Otis and Maeve builds up from the moment Maeve realizes that Otis has an extensive knowledge of sex, which they could use to hold a sex clinic within Moordale Secondary School, although Otis initially refuses. The pair quickly befriends each other, as they efficiently work together and start to build a relationship based on trust and respect for each other's skills, especially after Otis waited for Maeve to go through an abortion and walked her home.

Initially, Otis would not admit that he had begun developing a crush on Maeve, even though this was obvious to his best friend Eric, but quickly had to confess the truth. This put him in a rather awkward situation towards Jackson, who was asking Otis for advice so that Maeve would truly become his girlfriend (which happened even though Otis tried to sabotage the relationship between Maeve and Jackson). Despite this setback, Otis and Maeve remained close and even nearly kissed each other one night right before Otis awkwardly confessed that he was a virgin, ending the moment they were sharing. Still, Maeve soon realized that she harbored feelings for Otis as well, which caused her to break up with Jackson.

Nevertheless, Maeve and Otis failed to confess their feelings for each other in time, and by the time Maeve was ready for it, she was upset upon finding out that Otis had seemingly moved on and had started a relationship with Ola. However, Otis was never able to truly forget his feelings for Maeve, which eventually prevented him from losing his virginity to Ola after Maeve was reinstated into Moordale and began seeing Otis again by restarting their sex clinic, eventually confessing that she liked him, which deeply upset Otis as he was trying to move on. The relationship between Otis and Maeve became even more strained after Otis publicly insulted her and Ola while he was drunk during a party held at his home, which ended up with him sleeping with Ruby, which left Maeve even more disappointed in him. Otis, however, was determined to seek Maeve's forgiveness and, after a talk with his father, finally found the courage to call Maeve and leave a message on her voicemail where he openly declared his love for her. Unfortunately for him, the recording was deleted by Isaac, thus once again preventing Otis to freely let Maeve know about how he felt about her.

After months of not talking with each other, Otis and Maeve are upset with each other with Otis believing Maeve is ignoring him and Maeve believing he isn't interested in her as he is dating Ruby, not attempting to contact her. Several weeks later, Isaac admits to deleting the recording which upsets Maeve and causes her to reconsider her feelings for Otis but accepting that he is dating Ruby, she forgives Isaac and continues to date him. However, during the school trip to France after Otis and Ruby broke up, Otis and Maeve are accidentally left at a service station for some hours. During this time, Maeve asks Otis about the message which he confirms that he is proud of her and he loves her, which culminates in them kissing just as the coach returns for them.

Back in England and both Maeve and Otis feel awkward about what happened and Maeve continues her relationship with Isaac. However, she realizes she still has feelings for Otis. As he comes to her house, confirming he loves her, they kiss again and become a couple. However, the next day Jean is rushed to the emergency room due to a complication with her birth. Maeve supports Otis through this. Later, while discussing her study abroad trip to America with Aimee, Maeve puts off going to be with Otis. However, Aimee reminds Maeve that it is an amazing opportunity so Maeve decides to go to America, kissing Otis as a goodbye.

Ola Nyman[]

Otis and Ola met thanks to the frequent visits of the latter's father Jakob to the Milburn residence. They quickly befriended each other and, after Otis decided to move on from his feelings for Maeve Wiley, he and Ola started dating, although they were unaware that Jean and Jakob were doing the same. Otis was unaware that his first kiss with Ola had been witnessed by Maeve, who had just come in a failed attempt to confess her feelings towards him. Although Otis and Ola got along very well, their relationship caused a massive surge of sexual desire in Otis, to the point that he began masturbating and could not stop himself from doing so for a time. Unfortunately, their good harmony in day-to-day life was not replicated in their sex life, as Otis found himself unable to please Ola through fingering during their first sexual experience together, which caused Ola to start avoiding him. Maeve's continued presence in Otis' life did not help to fix things, and in the end, Ola realized that Otis was not in love with her and that she did not truly love him either. She thus broke up with Otis. Although their relationship after that was tense for a time, especially after Otis insulted Ola during a party, they were able to repair it and remain friends.

Ruby Matthews[]

Otis and Ruby

During season 1, Otis and Ruby never interact except during episode 5 during which he and Maeve will help her identify the person who sent the whole school a compromising picture of herself. If their interactions in season 2 are once again almost non-existent, their relationship takes a most unexpected turn when, following Otis' destructive house party, After they can be seen dancing together, Otis wakes up in his bed with a hangover and Ruby by his side. She casually confirms to him that they had intercourse last night but that she cannot find the condom, which worries Otis greatly. She will later admit that she is not sure that their intercourse has been protected. The two then go to a pharmacy to get a morning-after pill. If Ruby is reluctant at first to enter it, Otis' arguments will eventually convince her.

During the questionnaire to obtain the pill, Otis learns from Ruby's own mouth that her father has been suffering for one year from "multiple sclerosis" (MS), a disease affecting the central nervous system and which can lead to permanent physical incapacity in the patient and in the worst case, his death. After getting the pill, Otis worries about whether Ruby was consenting at the time of their intercourse, to which she answers yes, justifying this by her habit of sleeping with "nerdy boys" when she is sad, which gives her for a short time the feeling of being passionately loved. Otis reveals to her that this was his very first sexual intercourse and asks her about the level of his performance. Surprised, she replies that he was not great but not terrible either. Otis asks her if her father's illness is causing her sadness. She answers him yes but immediately diverts the subject of the conversation by accusing a lack of symmetry in her eyebrows after waxing them. Playing the game, Otis replies that he finds them very even. Ruby smiled at him and thanked him for accompanying him, adding that most boys are not as considerate as he is. Their arc for this season ends with Otis driving Ruby back on his bike.

Season 3 shows that they slept together and had casual sex many times throughout the summer holidays but Ruby wishes to keep it secret. Kyle found out that Otis and Ruby were having sex while in the abandoned toilets and threatened that he would tell the school about their relationship unless he can be the new "Sex King". Ruby is initially bossy with Otis, making him feel uncomfortable as she tries to change his behaviours and fashion sense while Olivia and Anwar remain unfriendly towards him. However, Ruby becomes kinder later on. The whole school found out when Otis told Eric who then told Adam 'by accident' which ended up with Adam telling Ola who told Lily who then told the whole school. Even though Ruby initially threatened Otis to keep it secret, when the school found out they became closer and started dating officially. One night, Otis came to Ruby's house and they become closer. Later that night, Ruby calls Otis telling him she loves him but with Maive still on his mind, he doesn't say it back, upsetting Ruby and leading to her breaking up with him.

During the school trip to France, Otis is put into a group with The Untouchables, making the situation more uncomfortable. Olivia and Anwar remain hostile towards Otis while Ruby admits that she doesn't hate him but she is upset. Later in the trip, Ruby witnesses Otis and Maeve having an intimiate moment causing her to visibly distraught in sadness. While Otis and Eric are presenting the school video to the press, Hope tries to stop them but Ruby comes to their aid, fighting off Hope, allowing Otis and Eric to continue the video and leading to Hope's resignation from the school.


Jean Milburn[]

Jean is Otis' outspoken, and occasionally, overbearing mother. While it is clear that she wants the absolute best for her son, she often embarrasses him with her propensity to psychoanalyze, not only her son but everyone she meets. Towards the end of season 1, Jean begins dating Jakob, Ola's father, complicating the relationship between Otis and Ola.

Remi Milburn[]

Otis' absent father, who abandoned the family after Jean discovered his affair. Remi lives in America and has little contact with Otis, other than video calls. We only see them interacting for a short time in season 1 during a video call. Even though Otis and he seem on good terms, several details suggest that Remi is a negligent, inconsistent and opportunistic father and husband, which will be confirmed during episode 2.5 when Otis then on an excursion with Eric and his father, realizes that Remi didn't come to Moordale for him but only to flee the difficulties of his marriage with his second wife Delilah caused by his untimely infidelity.

We learn during a discussion between him and Jean that this situation is nothing new, Remi being a sex addict. He tells her that this time he's going to get help and that he wants to be a good father, which Jean asks him "for which children". He will nonetheless have the opportunity to start to redeem himself in the eyes of Otis in the season 2 finale, admitting his wrongs and having for the first time an open heart discussion with his son about how to avoid repeating the same mistakes as him. Remi explains that he must stay honest towards the people who like him despite his faults and cherish them.

Overall, Otis is shown to have an incredibly tough relationship with his dad, owing to how he never sticks around for him - preferring to go out for his outside ventures than spend time with him. This eventually led him to ask Jakob if he could become his guardian in the case that his mother died.


Eric Effiong[]

Otis' best friend. It is revealed they have been best friends since they were 9.

Lily Iglehart[]

Despite the fact Otis and Lily seldom talk or hang out, he has helped her significantly with some of her issues. The first being her vaginimus as well as her fear of being left behind sex-wise and becoming old and dying alone. Another time being when she doubted herself as an artist and her viewing her obsessions with aliens as child-ish. In the first season the pair nearly had a sexual encounter until Otis had a panic attack and passed out. Despite all of this Lily views Otis as 'just alright'.

Rivals & enemies[]

Adam Groff[]

In the beginning, Otis and Adam had no interactions with each other as Otis was afraid of him since he constantly bullied Eric. Eventually, they were both assigned to carry out a project at Otis' house. Adam acted confused at first, not recognizing Otis after many years of shared education, calling him a "New Kid", which will eventually stick on him.

Once he arrived at his house Otis was extremely fraught in his presence, having a fear that his home, in particular, his mother's decorations or gadgetry from work that depicts sex or human genitalia would make him another target of harassing as Otis was trying to hide from his peers the fact that his mother is a sex therapist. Everything went normal except Adam being visibly annoyed with Otis' tense behavior and his negative reaction to him smoking weed with Jean, even asking Otis how it is that he doesn't act like his mother at all.

Adam discovered hidden dildos on one of the restroom's drawers, he decided to steal one of Jean's video guides on how to perform a handjob on courgette. The next day he send it to all students at school to humiliate him, causing Otis to have a panic attack. Mainly thanks to Maeve who was forced to check on him, they both helped Adam, who "overdosed" on Viagra, marking their beginning as a sex therapy duo.

They eventually forgave each other, as shown when Adam later apologized to Otis for what he had done, which was accepted but still not fully repaired in case of their relationship as Adam was still targeting Eric, even though it was for different reasons. Eventually, Otis began to accept Adam after he learnt about his soft side during their interactions with each other for Eric, when Adam began dating Eric. The duo gave each other perceptive advice, as shown when Otis helped Adam learn how to communicate his feelings to others, while Adam helped Otis accept Ola and Jakob as family, telling him that he isn't the only one struggling, which Otis greatly appreciated.

Jackson Marchetti[]

Jackson is the first rival that Otis encounters for Maeve's affection. While Otis likes and has feelings for Maeve, Jackson pays him £50 to tell him what Maeve likes. In an attempt to sabotage the relationship, Otis tells Jackson that Maeve likes big, public displays (despite the fact she doesn't). This plan however, completely backfires as Maeve and Jackson begin dating so Jackson never discovers Otis tried to sabotage him and the two remain friends.

The following term after breaking up with Maeve, Jackson becomes somewhat cold and indifferent to Otis. This because he knows Otis loves Maeve and vice-versa. Otis however, still isn't seeing Maeve and hasn't confessed how he feels, much to Jackson's annoyance. By the latest term however, Jackson appears to have forgiven Otis for his inaction seeing as he asks him to operate the projector during the parents evening and even does so in a polite way but does say he 'seems nerdy' yet this wasn't in malice.

Isaac Goodwin[]

Otis first meets Isaac at his party in episode 2.6, he is the second rival that Otis encounters for Maeve's affection. Despite the fact the pair only interact four or five times throughout the series, Issac is a big rival to Otis as he sabotages him a couple of times including deleting Otis' voicemail at the end of season 2 and intellectually tries to battle Otis in-front of Maeve despite the fact Maeve's sister Elsie has been kidnapped by her mother and the police are trying to gather information at that moment. The two never reconcile and despite the fact they are no longer competing for Maeve's love, they are still enemies thanks to the past.


Otis is a smart, well-mannered, 'nerdy' teenager. He is sweet, introverted, anxious and socially awkward, individual who sticks up for everyone who he cares out for along with everything that he stands for, as shown when he goes above and beyond in his attempts to care for others. Unlike most other people who are quite often judgmental of others insulting them behind their back, Otis isn't a judgmental person at all - always looking out for those struggling.

When Otis witnessed his father having sexual intercourse with one of his clients, it had left him confused and scared due to his lack of understanding, leaving him traumatized for eternity. When he asked his mother about the situation, where she discovered Remi had cheated on her and, as a self-believed comfort, told Otis what sex involved and added that it could ruin lives as well as bring pleasure to them, which eventually led to Otis gaining a form of PTSD that affected his sexual development for a while.

Being the son of one of the most renowned sex therapists, Otis is known to be quite a perceptive person who listens out for everybody without passing on any judgements, always attempting to make them feel comfortable, arguably being Otis' greatest trait. Otis is a great sex/emotion therapist who always sticks his eyes out for his patients, being able to tap into the root cause of somebody's anxiety and pain, having gone through a lot of it himself.

Due to his sensitive nature, Otis is prone to high outbursts of anger, becoming quite mean in occasion, as shown when he called Eric an attention seeker in response to him saying he can never get Maeve due to his fear of women. Despite this, Otis is a great friend who always has his back out for everyone he cares about, as shown by his repeated true attempts to apologise to Eric for his actions until he eventually succeeded, even deciding to end things up with Maeve at a point when he sees how their relationship is affecting his friend and his overall life. Otis cares a lot about his friends, going above and beyond to help them whenever possible, as shown how he stuck his neck outside for Eric in front of Adam, after learning how the former bully tried to date the person he bullied, his best friend.

Despite his extremely positive nature, Otis can be quite deceitful on occasion: in "Episode 4", he tells Jackson to do a grand gesture to ask Maeve out, knowing that she dislikes gestures like that, although this backfires and Jackson and Maeve start to date, and when he stole his mother's therapy notebook to merely find out why Ola broke up with him, the latter of which resulted in a disaster for the school.


Season One (8/8)[]

Season Two (8/8)[]

Season Three (8/8)[]


Season 1[]

Love isn't about grand gestures, or the moon and the stars. It's just dumb luck.
— Otis Milburn to Liam[src]

Season 2[]

I also want you to know if you are pregnant and chose to keep the baby, I'll quit school, get a job and provide for you both.
— Otis Milburn to Ruby Matthews[src]


  • Otis lives on 43 Ashford Street.
  • He stopped carrying his inhaler with him from Episode 2, which strangely coincides with the start of his connivance with Maeve. He also pointed out to his mother that he had not had an attack in six years.
  • He lost his virginity to Ruby in Season 2, Episode 7.
  • Otis' number is 07700 900987 as revealed in Season 3.
  • Ruby was listed as X-Tina on his phone.[6]
  • He does not like simulated danger.
  • Otis' locker number is 199, where he regularly keeps sweets.
  • Otis used to have asthma. In Episode 2, he says he has not had an asthma attack in 6 years.


Season 1[]

Season 2[]

Season 3[]