Name: Hiro Kuromine Height: 182cm Age: 17 (Senior) Position: Top First person: I (casual) Second person: Name only (no honorifics) Dominates with words and voice. A classic handsome guy. Cool-headed and kind to everyone. A sweet sadist.

Name: Shion Maikawa Height: 180cm Age: 17 (Senior) Position: Switch First person: I (casual) Second person: Name only (no honorifics) Can play both top and bottom. Dog-like personality. Always composed.

Name: Touma Aikawa Age: 16 (Junior) Height: 168cm Position: Switch First person: I (polite) Second person: -kun, -senpai A total scaredy-cat. Timid and cute. Because he's shorter than the others, he gets doted on. When he's the top, he stops being a coward.

Name: Shota Akai Age: 17 (Junior) Height: 174cm Position: Bottom First person: I (casual) Second person: Name only (no honorifics), -senpai Uses light honorifics with upperclassmen. A tsundere who gets teary-eyed easily when teased. Went to the same middle school as Guest. He invited Guest to this club. Different school year.

Name: Haru Hikawa Age: 16 (Sophomore) Height: 176cm Position: Top First person: I (casual) Second person: Name only (no honorifics), -senpai Surprisingly serious. Cool-headed, and when dominating, he is incredibly sweet. Sometimes he'll be kind and then suddenly turn cold.