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Characters / Sanrio Boys

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This is the character sheet for the franchise Sanrio Boys. There will be unmarked spoilers in the trope names.

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Sanrio Boys

     Kouta Hasegawa 

Kouta Hasegawa
Voiced by: Takuya Eguchi
Portrayed by: Naoya Kitagawa

Kouta is a Nice Guy often surrounded by friends. His favorite character is Pompompurin.

  • Adaptational Personality Change: In the original blog, Kouta was seen as a Nice Guy who gets along with everyone. In the anime, he's a gloomy, self-conscious boy who doesn't really have a lot of friends. The stage play takes cues from the anime and also makes Kouta look Overshadowed by Awesome by the rest of the Sanrio Boys.
  • Animal Motifs: Kouta is compared to a dog because of his loyalty, which matches Pompompurin, a golden retriever.
  • Butt-Monkey: In the stage play, he tends to become the butt of the jokes and is overall seen as less talented than the rest of the Sanrio Boys, the source of his anxiety.
  • Friendless Background: In the anime, he did have two pals, but, sadly, he couldn't share his Unmanly Secret with them.
  • The Generic Guy: Addressed in the anime. He starts to get a complex about feeling like he's on the sidelines with his friends because he's this compared to their more unique appearances and personalities, their accomplishments, and their popularity.
  • The Hero: He's the main protagonist in the anime.
  • Heroic BSoD: In the anime, after watching the Miracle Gift Parade in Sanrio Puroland, Kouta becomes inspired to stand in the spotlight by organizing a musical. However, at the same time, he starts realizing he is nothing special compared to the rest of the Sanrio Boys, who are unique and popular in their own groups. This causes Kouta to start overworking himself and becoming a Control Freak to the point where he gets sick, and when he discovers the rest of the boys had gotten help to finish up his job, he finally snaps at the thought of being easily replaced.
  • My Greatest Failure: He never forgave himself for yelling at his grandmother and failing to apologize to her.
  • Nice Guy: He's fairly polite and almost immediately goes to help a lost little girl, despite the risk of being Mistaken for Pedophile. In the manga, the girls describe Kouta as a Boy Next Door with a "healing smile."
  • Ordinary High-School Student: Among his group, he sticks out as the least quirky and tends to have more mundane problems.
  • Overshadowed by Awesome: In the anime, Kouta has a Heroic BSoD over the rest of the Sanrio Boys being more unique in their own ways while he's unable to stand out.
  • Second Year Protagonist: Hits all the benchmarks for the trope, up to and including his emotional crisis finally being explored this year of his high school life.
  • Unmanly Secret: He treats his love of Pompompurin as this, ever since he got bullied for it in elementary school.
  • Virgin-Shaming: In the stage play, the other Sanrio Boys call him a "wizard" (basically a slang term calling him a 40-year-old virgin).


     Yuu Mizuno 

Yuu Mizuno
Voiced by: Soma Saito
Portrayed by: Hiroki Sasamori

Yuu's favorite character is My Melody, and he often wears pink hair clips that match her hood. He gets along with everyone, except for his younger sister, Yuri.

  • A Day in the Limelight: Yuu is featured heavily in the manga adaptation for Sanrio Boys ~Watashi, Koi wo Shirimashita~ since the story focuses on him and his relationship with Rio.
  • Beauty Mark: Yuu has a beauty mark below his left eye.
  • Berserk Button: He gets annoyed if you call his love of Sanrio gross (in Yuri's case), or a freak (like Ryo did). He is willing to even respond with violence, if agitated enough.
    • If you try to do this on Shunsuke and Kouta, he won't wait.
  • Big Brother Instinct: Yuu really hopes to get along with his sister and calls her cute. In the manga, the boys conclude that he likes My Melody because she reminds him of his sister.
  • Big Eater: As shown in episode 5, he has an immense appetite and even takes Food as Bribe.
  • The Charmer: Never seen without a group of girls to chat with.
  • Childhood Friends: He's been friends with Shunsuke since childhood.
  • Love Confession: He confesses to Rio in the manga.
  • My Sister Is Off-Limits!: In the anime, he gets irritated when Yuri invites a boy over to their home, and he is clearly against her dating anyone.
  • Real Men Can Cook: A pretty much self-taught case. He even has his own recipe book.
  • You Remind Me of X: He admits My Melody reminds him of his little sister, whom is the person he wants to connect with the most.

     Seiichirou Minamoto 

Seiichirou Minamoto
Voiced by: Yuuma Uchida
Portrayed by: Shinichi Wago

Seiichirou is a member of the archery club. His favorite character is Cinnamoroll because he's fluffy.

  • The Big Guy: For the main 5 guys.
  • Heroic Build: Even his school uniform doesn't manage to fully hide his muscular build.
  • Hunk: More rugged and muscular than Shunsuke.
  • Not So Stoic: He may be collected most of the time, but the blog shows repeatedly he can show strong emotions on his face, like pleasure or embarassment.
  • Rated M for Manly: Despite loving Cinnamoroll, he is the most mature and level-headed of the Sanrio Boys.

     Ryo Nishimiya 

Ryo Nishimiya
Voiced by: Hiroyuki Kagura
Portrayed by: Yuu Miyazaki

Ryo is a beautiful underclassman whose favorite characters are Lala and Kiki (Little Twin Stars).

  • Bishounen: Lampshaded by the furious Yuu, who got particularly irritated that of all the people that could have trash-talked him and the other Sanrio Boys, it was a guy whose face would (on paper) actually be a perfect fit for their group.
  • Cute Bookworm: He's part of the library committee at school, and he's cute as a button with his short stature and Tareme Eyes.
  • But Not Too Foreign: He lived in England when he was little.
  • Depending on the Writer: In the anime, he's often very sarcastic Deadpan Snarker, especially towards Yuu, and is generally very pessimistic. In the original blog, manga, and game, he is nothing like that, however.
  • Fashionable Asymmetry: Ryo wears pink shoelaces on one shoe and blue shoelaces on the other, symbolizing for Lala and Kiki.
  • I Want to Be a Real Man: He's doted upon and fawned over by guys and girls alike for his adorable looks. He'd much rather not be cute, and it bothers him a lot that he's not as masculine as he'd like to be.
  • Muscle Angst: The first thing he does when he sees weights is lament his less than 'masculine' build.
  • Shrinking Violet: He's very shy around strangers.
  • Surprisingly Good English: In the manga, he helps some English-speaking tourists find the Sanrio store.

     Shunsuke Yoshino 

Shunsuke Yoshino
Voiced by: Jun Oosuka
Portrayed by: Tsubasa Yoshizawa

Shunsuke is The Stoic of the group and adores Hello Kitty, who he refers to respectfully as "Kitty-san" instead of her nickname, "Kitty-chan."

     Subaru Amagaya 

Subaru Amagaya
Voiced by: Yoshitsugu Matsuoka
Portrayed by: Kouhei Kishi

A delinquent-like boy who wants to have a freewheeling lifestyle. Likes Badtzmaru.


     Naoki Sugami 

Naoki Sugami
Voiced by: Wataru Hatano
Portrayed by: Jin Hiramaki

He is a biology teacher who advises the Swimming Club. He has a love for Keroppi.

Kyushu division

    Yasuhiro Koga 
Played by: Ryo Sekoguchi

A gentle looking high school boy. He has a love for Cogimyun.

    Shinya Umezaki 
Played by: Mizuki Umetsu

A rough looking young man who, like Shunsuke, shares a love for Hello Kitty.

    Ichiro Itonaga 
Played by: Natsuki Ohsaki

He has a love for Hangyodon.


    Takehiko Ogata 
Played by: Takeshi Naoki

He is a biology teacher who advises the Swimming Club. Likes My Sweet Piano.

  • Long-Haired Pretty Boy: He also stands out for being a main series boy with the longest hair out of the male cast.

Kansai division

     Miracle☆Stage Characters 

Yumenosuke Toyohara

Portrayed by: Sadamoto Fuuma
A serious looking boy from another school. Has a love for Hello Kitty.

Torao Hagura

Portrayed by: Satsuki Kitano
A rough looking boy from another school. Has a love for Kuromi.

Tomohiro Kashiwagi

Portrayed by: Shungo Takasaki
A glasses wearing boy from another school. Has a love for Pochaco.

Yuzu Wakano

Portrayed by: Wataru Yoza
A delicate looking boy from another school. Has a love for Kirimi-chan.

Jun Fujita

Portrayed by: Miyagi Kodai
Likes Tuxedosam.

Other Characters

     Yuri Mizuno 

Yuri Mizuno

Played by: Akane Fujita

Yuri is Yuu's little sister and is currently a third year in middle school. She adores love stories, but finds Yuu gross because of his fascination with My Melody.

  • Adaptational Jerkass: Yuri is pretty rude to Yuu in the blog, game, and manga, but she's not quite as mean towards him and her disgust in the manga is Played for Laughs. The anime turns it Up to Eleven and generally makes her unlikeable, with her being pretty much emotionally abusive towards him.
  • Aloof Little Sister
  • Annoying Younger Sibling: Inverted. Yuri mostly finds Yuu annoying, though it's fair to say that Yuu has his fair share of moments.
  • Broken Pedestal: Growing up, she would hope that Yuu grew up to be a cool, handsome, masculine older brother. What she ended up getting—a somewhat motherly boy who likes cute characters— didn't exactly live up to that ideal.
  • Cat Smile: In the official artwork for the game, she has a cat smile.
  • Girlish Pigtails: Yuri wears her hair in twin tails. This makes Yuu think of her whenever he looks at My Melody, which is why he likes My Melody so much.
  • Tsundere: Yuri is a type A tsundere, where she's aloof and rude most of the time but secretly kind. She acts more this way towards Yuu.

    Yamato Machida (Macchi) and Tadashi Tsuchiya (Tsucchi) 

Macchi and Tsucchi

Played by: Daisuke Kishio (Macchi), Chihiro Suzuki (Tsucchi)

Macchi and Tsucchi are Kouta's old friends before meeting the other Sanrio Boys.

  • All There in the Manual: Their full names show up on the casting list.
  • Beauty Mark: Tsucchi has one on the corner of his mouth.
  • Deconstructed Character Archetype: Those Two Guys always end up watching the protagonist drift away from them in favour of the more interesting main cast. These ones actually react to it, with one getting jealous while the other sadly accepts this state of affairs. By the end, they've both accepted that they're not Kouta's best friends anymore, but they've accepted that he's much healthier and happier with his new social circle and his resolve to be himself, in a non-romantic variant on I Want My Beloved to Be Happy.
  • Hidden Depths: Despite calling it weird, the pair have a couple of favorite Sanrio characters themselves according to the second episode's credits sequence. Macchi likes Gudetama, while Tsucchi likes Kiki and Lala.
  • Only Known by Their Nickname: Due to not having the same prominence as the others, they're only referred to by Kouta's nicknames for them whenever they appear.
  • Satellite Character: Macchi's character is practically defined by trying to stay friends with Kouta, going as far as stressing his old "Best Friend" status when he shows up. Even Kouta flat out demoting him to "acquaintance" in front of his new friends doesn't deter him.
  • Those Two Guys: A cross between this and Kouta's Social Circle Filler, since he mentions that despite having friends he can hang out with he still felt like he was alone. They even know that they're reduced to the latter trope, as they tell Kouta they haven't seen him in a long while by Episode 6.

     Théo Guintoli 

Théo Guintoli

A French transfer student who ended up becoming friends with the Sanrio Boys. He runs the official Instagram account.

  • The Faceless: Despite being known as the guy who takes the boys' group photos, he's never shown up in one himself.
  • Foreign Exchange Student: Downplayed; he's shown to be calm fellow, but still has a few of the typical exchange student traits like marveling at Kouta's "Japanese"-ness.

     Protagonist (Visual Novel) 


The player character of the Visual Novel Sanrio Boys ~Watashi, Koi wo, Shirimashita~. Her name can be chosen by you.

  • Hello, [Insert Name Here]: You pick her name. Using a random name generator, possible last names include "Sugiura", "Watanabe", "Yoshioka", "Ohara", and "Hirakawa." Possible first names include "Ai", "Sakura", "Mai", "Rena", and "Miho."

     Manga Protagonists 
The protagonists that show up in the manga Sanrio Boys ~Oretachi, Koi, Hajimemashita~. Like the protagonist of the visual novel, they meet and fall in love with one of the Sanrio Boys.

Rio Oosaki

Rio is the main character for the first volume. She loves all of the Sanrio characters and falls in love with Yuu.

  • Childhood Friends: She used to play with Kouta as a child and calls him "Kou-chan."
  • Fangirl: When Rio finds out that Yuu likes My Melody, she starts talking excitedly about how much she loves all of the Sanrio characters.
  • Genki Girl: Rio is very energetic and eager to help her friends.
  • Meaningful Name: Rio is named after "Sanrio."
  • New Transfer Student: She's introduced as a new student in the manga.

Ringo Saitou

Ringo is the main character for the second volume. She falls in love with Shunsuke.

  • Meaningful Name: Her first name, Ringo, calls back to Hello Kitty's motif of apples (including the fact that she's measured in weight and height with them).

Ayumu Kadomachi

Ayumu is the main character for the third volume and is Kouta's classmate. She falls in love with Kouta.

  • Naïve Everygirl: Ayumu is a plain high school student who has no interest in boys until she meets Kouta.
  • Secret Keeper: Ayumu tries her best to help Kouta keep his love for Pompompurin a secret.

Yumeko Shinagawa

Yumeko is the main character for the fourth volume and the second-year librarian at school. She falls in love with Ryo.

  • Cute Bookworm: Yumeko is the second-year student in charge of the library. Her arc mostly involves her helping out with a student event in the library.
  • Single Woman Seeks Good Man: One of the notes in her character description is that she wants to find her knight in shining armor like it's described in books.

Niki Ochiai

Niki is the main character for the fifth volume and she is a member of the Archery Club. She falls in love with Seiichiro.

  • Meaningful Name: "Ochi" comes from the name of the fifth person in the firing order of kyudo (Japanese archery).


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