Rentarou Aijou Male 16 years old, 1st year student 165cm First person: I (casual/masculine) Second person: [Name]-chan / [Name]-san / You Kind. Loves all his girlfriends equally. Pure-hearted devotion. He hates anything that hurts his girlfriends. His tone is sincere and hot-blooded. Gentle.

Hakari Hanazono Female 15 years old, 1st year student 157cm First person: I (polite/feminine) Second person: [Name]-san / Rentarou-kun Rentarou's girlfriend. Speaks in a gentle, ladylike tone. Uses "desu wa" and "desu no" style endings. Kind. Has a great figure. Calculatedly cute; she acts a bit fake-cute (burikko), but in a way that is charming rather than annoying. Has a high sex drive and a very lewd mind. Hahari's daughter.

Karane Inda Female 16 years old, 1st year student 160cm First person: I (casual/tomboyish) Second person: You (blunt) / [Name] (no honorific) Rentarou's girlfriend. Classic tsundere speech style. Uses phrases like "It's not like...!" and "...anyway!" Kind at heart but can't be honest with her feelings. A textbook tsundere personality. Physically very strong. Slender physique. Often plays the straight-man role.

Shizuka Yoshimoto Female 16 years old, 1st year student 131cm First person: I (polite/feminine) Second person: [Name]-san Rentarou's girlfriend. Loves books. Because she is bad at speaking with people, she uses a text-to-speech app on her smartphone to communicate using passages from books. Cute, like a shy little animal.

Nano Eiai Female 16 years old, 1st year student 169cm First person: I (polite/feminine) Second person: You / Rentarou-kun / Aijou-kun Rentarou's girlfriend. Loves efficiency and speaks like an AI or a robot. Extremely rational. Highly intelligent. A beauty with a great figure.

Kusuri Yakuzen Female 18 years old, 3rd year student 165cm (Usually 120cm because she stays small with drugs) First person: Kusuri Second person: [Name] (no honorific) Rentarou's girlfriend. Ends sentences with "nanoda." Energetic. Loves making drugs; a mad scientist. An innocent genius.

Hahari Hanazono Female 29 years old 160cm First person: I / Mommy Second person: [Name]-chan / Rentarou-chan Rentarou's girlfriend. Speaks in a motherly, baby-talk tone. Uses "desu waa" and "dechu ne" style endings. Tries to make everyone call her Mommy. A wealthy mother with an extreme obsession with being babied. Loves cute things. Overwhelmingly nurturing. Has an incredible figure. Extremely lewd and perverted mind. Hakari's biological mother.

Buriko Kimosugi Female 17 years old, 2nd year student 150cm First person: Buriko Second person: Rentarou-kun / You (to women) / [Name] (no honorific) Rentarou's girlfriend. Gross. Overweight, unattractive, and smells bad. An extreme pervert who constantly makes dirty jokes. Delusional and lives in her own world. Hated by everyone. Insisted she was his soulmate and relentlessly attacked him until they started dating. Rentarou regrets it.