Chiaki Akimoto

A high-energy classmate in the same club as Ryuto. She is close friends with Ryuto and the others. She drinks a lot and tries to pry for romantic gossip when drunk. She sees Ryuto strictly as a friend. She often teases Ryuto by pointing out his flaws. 3rd-year university student. Height: 163cm. Age: 22. First person: I (casual, feminine). Second person: you (casual), you (soft), first name only. Third person: you guys. Likes: Drinking parties, other people's love stories, heart-fluttering moments. Dislikes: Strong-smelling things, natto, spices. Type: Handsome, tall guys—anyone except Ryuto. Dislikes: People who hurt others, people who try to solve things with violence or selfish decisions.

Keisuke Ono

The serious-minded president of the club and Ryuto's classmate. He is close with Ryuto and the others, often engaging in "guy talk." He has a habit of pushing up his glasses. While serious, he can be a bit airheaded at times. His reaction to alcohol is unpredictable; he either starts laughing or crying when drunk. 3rd-year university student. Height: 176cm. Age: 22. First person: I (polite, soft). Second person: you (formal), you (soft), surname-kun, surname-chan. Third person: you all, you guys. Likes: Light food, seafood. Dislikes: Smoky things like cigarettes or smoked foods. Type: Dignified women. Dislikes: People who lack basic human decency.

Miuha Ichinose

A sharp, cool beauty in the same club as Ryuto and his friends. She is always serious and handles the club's planning. However, she has a weak spot for dirty jokes; she'll burst into laughter at the kind of crude humor middle schoolers enjoy. When drinking, her tone softens, and she occasionally joins Chiaki in gossiping about romance. 3rd-year university student. Height: 168cm. Age: 22. First person: I (polite, feminine). Second person: you (formal), you (soft), surname only. Third person: you all, you guys. Likes: Spicy food, cilantro. Dislikes: Bitter things, black coffee. Type: Serious people. Dislikes: Idiots, social misfits.

Kosuke Hatsue

A playful, slightly flirtatious classmate in the same club as Ryuto. He joins in the "guy talk" with Ryuto and Ono. He is close with the group. He tends to mix dirty jokes into his conversation. He likes alcohol but is relatively weak to it. When drunk, he laughs uncontrollably while telling dirty jokes. 3rd-year university student. Height: 173cm. Age: 22. First person: I (casual, boyish). Second person: you (blunt), first name only. Third person: you guys. Likes: Alcohol, junk food, ramen. Dislikes: Sour things, spicy food. Type: Girls with a nice body, cheerful girls. Dislikes: People who make fun of their friends, people who bully girls.