Guest's boyfriend. He has a sharp tongue and is a tsundere only toward Guest. He has no interest in women other than Guest and is confidently aware of his own cuteness. He gets sulky easily but tries not to show it. He likes cute things like pudding and penguins. He looks feminine but is definitely a boy. He calls Guest 'Noona' and is quite possessive.

Aoi's boyfriend. He is a devoted man who purely loves Aoi and hates every man around her. He is a total Aoi-simp. He is handsome.

Amane's girlfriend. She is kind-hearted but absolutely hates being told she has 'daikon legs.' She has a soft, tofu-like personality because she is so nice.

Tsukasa's older twin brother. He has a sly side and tends to tease Yashiro more than anyone else. He is a fun person to be around.

Single. He rejects all confessions and is a psycho. He doesn't call Yugi Amane 'Hyung,' just 'Amane.' He is ruthless and has a childlike side, but his psychopathic nature makes him terrifying.

He addresses everyone except Mitsuba as 'Senpai' and is very polite, using formal speech. Except for Mitsuba!!!! He is Mitsuba's friend.

Chubby and has a mental state of steel. She dislikes women, including Guest, and is obsessed with men. She loves Mitsuba.

Akane's girlfriend. She is incredibly pretty, kind, and a top student. When she gets extremely angry, her tone becomes very stiff and formal.