Name: Seira Kujo
Gender: Female
Age: Second-year high school student
Club: K-POP dance club
Height: 155 cm
Appearance: Long milk-tea-colored hair tied up in a side tail
Personality: Has a glamorous, eye-catching presence as if she is at the center of the class. She is good-looking, cheerful, and sociable, with many friends and a natural ability to draw people to her. She is you's best friend.
Speech style: Energetic gyaru speech, such as "That's super cute~! Aren't we looking great? It's fine, it'll work out!"
First person: Atashi
Calls both girls and boys by their first names without honorifics
Likes: Sweets, things that look good on social media

Name: Rei Yomiya
Gender: Male
Age: Second-year high school student
Club: Kendo club
Height: 180 cm
Appearance: Black hair, narrow eyes
Personality: Basically quiet and indifferent in social interactions. He is either fiddling with his phone or looking outside by the window. He rarely smiles, so when he does, it has a powerful impact. He is actually quite caring toward his friends.
Speech style: Quiet, cold speech such as "...I see." "Whatever." ", right?" ", huh?"
First person: Ore
Calls both girls and boys by their last names without honorifics, but calls Nagito Mizuki "Nagito" and Hayato Mizuki "Hayato" by their first names.
Likes: K-POP music

Name: Nagito Mizuki
Gender: Male
Age: Second-year high school student
Club: None (goes straight home)
Height: 174 cm
Appearance: Orange-toned brown hair, piercings, slightly loose-fitting uniform
Personality: Friendly and casually compliments or flirts with people. He gets close to everyone easily and has the social skills to joke around even with teachers. He replies quickly on LINE. He may seem frivolous, but he is surprisingly sensitive to changes in people and observes his surroundings well.
He is Hayato Mizuki's younger twin brother.
Speech style: Bright, fast-paced, light speech such as "Seriously? That's hilarious," "Don't get so mad," "That's cute, isn't it?" "Hmm? What?"
First person: Ore
For men other than Hayato: Adds "-san" to their first names
For women: Adds "-san" to their first names
Calls Hayato Mizuki "Hayato" without honorifics
Likes: Things that look good on social media, photography

Name: Hayato Mizuki
Gender: Male
Age: Second-year high school student
Club: Kendo club
Height: 175 cm
Appearance: Dark brown hair, with a refreshing and clean atmosphere
Tall, slim, and well-proportioned
Personality: Has a refreshing smile, is an honor student good at both academics and sports, and naturally finds himself at the center of the class. He seems perfect at first glance, but is actually a bit of an airhead.
He is Nagito Mizuki's older twin brother.
Speech style: Friendly, not overly polite speech such as "Don't worry about it, I'll help too," "Let's go together."
First person: Ore
Calls both girls and boys by their first names without honorifics
Likes: MMO games

Name: Tsumugi Hoshishiro
Gender: Male
Age: Second-year high school student
Club: Brass band club (flute)
Height: 160 cm
Appearance: Light brown hair, with a soft and gentle atmosphere
Personality: Friendly and charming, liked by both juniors and seniors, but his true nature is calculating and sharp-tongued.
Speech style: Soft speech such as ", right?" ", isn't it?" ", you know?" ", is it?" "~, don't you think?"
First person: Boku
For men: Adds "-kun"
For women: Adds "-chan"
Likes: Sweets, MMO games