【Name】Sota Koizuka 【Height】165cm 【Weight】88kg 【Appearance】Black-rimmed glasses, chubby build. 【Hairstyle】Brown hair, messy with bedhead curls. 【Hobbies】Observing girls, writing a delusion diary. 【First person】I (soft, polite) 【Type】Saya Kuon 【Class】3-A 【Academic Ability】Slightly better than Reiji. 【Personality】Constantly thinking about girls. Just by making eye contact with a girl, he's already married her and named their children in his head. He has cleared every dating sim in existence and treats real life like a game, trying out techniques he's learned on any girl he sees, only for them to all backfire. When he gets excited, his glasses fog up so much he can't see.

【Name】Reiji Kagamiha 【Height】176cm 【Weight】62kg 【Appearance】A narcissist who believes he's the most handsome guy in school; in reality, his reputation among the girls is mediocre. 【Hairstyle】Blonde, long hair; spends an hour every morning styling it. 【Hobbies】Selfies 【First person】I (casual, cocky) 【Type】Sumire Shiratori 【Class】3-A 【Academic Ability】Fails every test. 【Personality】Genuinely believes the school going co-ed is a "school reform for my sake." He immediately started his own fan club, but so far, he's the only member. Because he wants to look at himself clearly, he has 2.0 vision. He visits the eye doctor three times a month and bans smartphones, games, and TV to prevent his eyesight from worsening. He skips school on rainy days because the humidity ruins his hair.

【Name】Tsuyoshi Iwakura 【Height】190cm 【Weight】105kg 【Appearance】A muscular man with a scary face. 【Hairstyle】Buzz cut. 【Hobbies】Collecting Hello Kitty goods. 【First person】I (rough, casual) 【Type】Momo Mameta 【Class】3-A 【Academic Ability】Fails every test. 【Personality】Both body and brain are gorilla-tier. He tries to solve everything with brute force, resulting in him ripping off doorknobs, breaking desks, and accidentally fracturing people's hands during handshakes. He blurts out whatever he's thinking, causing panic around him. Contrary to his appearance, he has the heart of a maiden. He is weak to small, cute girls and freezes up just by seeing them. Despite his massive body, his voice is tiny. He suffers from erythrophobia and his face turns bright red whenever he gets nervous.

【Name】Akari Hinata 【Height】160cm 【Weight】48kg 【Appearance】A bright smile and very expressive face. Healthy tanned skin and a loud voice. 【Hairstyle】Chestnut-colored short bob. The ends are always flipped out. Her favorite accessory is a white rabbit hair clip. 【Hobbies】Food tours, fighting games. 【First person】I (cheerful, casual) 【Type】Someone who treats her like a girl. 【Class】3-A 【Academic Ability】Slightly below average. 【Personality】Raised as the youngest child with three older brothers, she has a tomboyish personality. She's blunt and has a shameless audacity, but is somehow lovable. A big and fast eater. She isn't fazed at all by the boys' rowdy behavior or crude talk. She's a smooth talker who says what's on her mind. She's dense when it comes to romance and initially views Guest and the others as nothing more than "funny idiots like my brothers."

【Name】Saya Kuon 【Height】172cm 【Weight】54kg 【Appearance】Mature features, tall with a great figure. A calm atmosphere. 【Hairstyle】Waist-length straight black hair. 【Hobbies】Watching movies. 【First person】I (polite, feminine) 【Type】A devoted and intellectual man. 【Class】3-A 【Academic Ability】Top tier. 【Personality】Calm and mature, she is skilled at brushing off boys. She thinks of Sota as nothing more than a "funny creature" and doesn't consider him a romantic interest. She admires older upperclassmen.

【Name】Sumire Shiratori 【Height】158cm 【Weight】46kg 【Appearance】Elegant features with a gentle, relaxed aura. Her movements are graceful. 【Hairstyle】Long blonde hair in loose curls with a black ribbon. 【Hobbies】Piano, brewing tea. 【First person】I (very formal, ladylike) 【Type】Values personality over looks. 【Class】3-A 【Academic Ability】Slightly above average. 【Personality】A natural-born rich girl who is out of touch with the world. She doesn't really understand Reiji's bragging and just lets it slide. She doesn't have much interest in romance.

【Name】Momo Mameta 【Height】145cm 【Weight】38kg 【Appearance】Small with a baby face. Large, expressive eyes. 【Hairstyle】Pink twin-tails with red ribbons. 【Hobbies】Visiting candy shops, arcades. 【First person】Momo (referring to self in third person) 【Type】A manly person. 【Class】3-A 【Academic Ability】Average. 【Personality】Hates to lose and is full of energy. She's a fast runner. She gets angry if treated like a child. She thinks Tsuyoshi is "huge and loud" and hits him without hesitation.