Naokiri Aohara Age: 17 (High School Student) Gender: Male Height: 175cm Weight: 64kg Speech: Polite / Formal Personality: Sadistic, loves flowers, kind. Lover: Yuan (Naokiri is the dominant/top). Clingy and head-over-heels for Yuan. Kind to everyone. Popular. Blue hair and blue eyes; handsome. Nicknames: Naokiri-san, Nao-nii. Address terms: Japapa-san, Tattsun-san, Uri-san, Hiro-kun, Mofu-kun, Donuku-san, Yuan-kun. First person: I (polite). Big brother figure. Part of the "Top" group. Used to Yuan clinging to Hiro, Tattsun, and Donuku (finds it heartwarming).

Japapa Midorikawa Age: 17 (High School Student) Gender: Male Height: 186cm Weight: 65kg Personality: Loud, energetic, leader-like, loves Cola, sadistic. Speech: Casual (Polite to teachers). Lover: Tattsun (Japapa is the dominant/top). Clingy and head-over-heels for Tattsun. Kind to everyone. Popular. Red hair and green eyes; handsome. Nicknames: Japapa, Japa-san, Jappi. Address terms: Nao-nii, Yuan-kun/Yuan, Tattsun, Uri/Uririn, Hiro-kun, Mofu-kun, Donu/Donu-chan. First person: I (casual/masculine). Leader figure. Part of the "Top" group. Used to Yuan clinging to Tattsun.

Tatsuya Tachibana (Tattsun) Age: 17 (High School Student) Gender: Male Height: 169cm Weight: 56kg Personality: Extremely loud, a ball of energy, funny, tsundere, chuunibyou? Speech: Regional drawl (Kansai). Lover: Japapa (Tattsun is the submissive/bottom). Kind. Gets jealous of his popular lover. Blonde hair and yellow eyes; wears a black eyepatch on one eye (as an accessory); cute. Nicknames: Tattsun. Address terms: Naokiri-san, Yuan-kun, Japapa, Uri, Hiro-kun, Mofu-kun, Donu/Donu-chan. First person: I (casual/masculine). Oldest brother figure among the "bottoms." Part of the "Bottom" group. Yuan often clings to him, and he dotes on Yuan (used to it, pampers him like a younger brother).

Uri Kurose Age: 17 (High School Student) Gender: Male Height: 176cm Weight: 62kg Personality: A bit perverted, sadistic, loud. Speech: Casual. Lover: Hiro (Uri is the dominant/top). Sweet, doting, and clingy toward Hiro. Slightly cold to others. Can play piano and guitar. Popular. Brown hair and eyes close to orange; handsome. Nicknames: Uri, Uri-san, Uririn. Address terms: Nao-nii/Naokiri-san, Yuan/Yuan-kun, Japa-san/Japapa, Tattsun/sometimes Tattsun-san, Hiro-kun, Mofu-kun, Donu/Donu-chan. First person: I (casual/masculine). Good at singing. Part of the "Top" group. Used to Yuan clinging to Hiro.

Hiro Haibara Age: 17 (High School Student) Gender: Male Height: 169cm Weight: 50kg Personality: Easygoing, pure, quiet, shy. Speech: Casual (Polite to teachers). Lover: Uri (Hiro is the submissive/bottom). Gets happy when pampered. Kind to everyone. Gets jealous of his popular lover. Grey hair and light blue eyes; cute. Nicknames: Hiro-kun. Address terms: Naokiri-san, Yuan-kun, Japapa-san, Tattsun-san, Uri-san/Uri, Mofu-kun, Donuku-san/Donu. First person: I (casual/masculine). Middle brother figure among the "bottoms." Part of the "Bottom" group. Yuan clings to him; he dotes on Yuan (used to it, pampers him like a younger brother).

Mofu Shiumo Age: 17 (High School Student) Gender: Male Height: 175cm Weight: 63kg Personality: Intelligent, quiet, serious. Speech: Casual (Polite to teachers). Lover: Donuku (Mofu is the dominant/top). Sweet to Donuku, occasionally shows his soft side. Sometimes cold but basically kind. Popular. Purple hair and purple eyes; wears glasses; handsome. Nicknames: Mofu-kun. Address terms: Naokiri-san, Yuan-kun, Jappi/Japapa-san, Tattsun, Donu. First person: I (casual/masculine). The smartest in the group. Part of the "Top" group. Exasperated by Yuan clinging to Donuku and the others.

Donuku Ogami Age: 17 (High School Student) Gender: Male Height: 170cm Weight: 53kg Personality: Airheaded, pure, a bit loud, energetic, innocent, very lovey-dovey. Speech: Casual. Lover: Mofu (Donuku is the submissive/bottom). Kind to everyone. Very clingy and sweet toward Mofu. Gets a little jealous of his popular lover. Long white hair, fox ears, red and blue heterochromia; handsome yet cute. Nicknames: Donu, Donu-chan, Donuku-san. Address terms: Nao-nii/Naokiri-san, Yuan-kun, Jappi, Tattsun, Uri/Uririn, Hiro-kun, Mofu-kun. First person: I (casual/masculine). Youngest brother figure among the "bottoms." Part of the "Bottom" group. Yuan clings to him; he dotes on Yuan (used to it, pampers him like a younger brother).

Siva Shikuma Teacher (Health and Physical Education) Gender: Male Height: 185cm Weight: 65kg Personality: Very extroverted, loud, funny. Speech: Casual. No lover; a fan of BL (fudanshi). Very kind and popular. Green hair with a center part and green eyes. Address terms: Calls teachers "[Name]-san," calls students by name or with "-san." First person: I (casual/masculine).

Noah Momono Teacher (Home Economics) Gender: Female Height: 159cm Weight: 45kg Personality: BL fan (fujoshi), scary when angry, loves sweets. Speech: Polite. Lover: Eto (Noah is the submissive/bottom). Kind but sometimes strict; popular. Address terms: Calls everyone with "-san." First person: I (polite/feminine).

Eto Hanadai Teacher (Student Guidance / Mathematics) Gender: Female Height: 152cm Weight: 52kg Personality: BL fan (fujoshi), scary when angry, kind but strict. Speech: Casual. Lover: Noah (Eto is the dominant/top). Kind but strict; popular. Address terms: Calls others by name, sometimes with "-san." First person: I (polite/feminine).