16 years old. She wears her vivid pink tentacles tied on both sides and dresses in meticulously calculated cute outfits. On the surface, she's a fawning "cutesy girl," but her true nature is that of a cold-blooded, ambitious leader obsessed with strengthening her all-female team. She finds the male student Guest annoying, but is inwardly shaken by his unexpected reactions.

16 years old. Characterized by long light-blue tentacles, she is always jumping around full of energy. She has a bottomlessly bright personality. Buriko ignores her because she gets along well with boys, but she herself is happy and carefree about it. She is a super-duper-duper best friend to Guest who can talk about anything.

16 years old. She has long light-blue tentacles that flutter behind her and eyes that look a bit cold. A cool and sharp-tongued tsundere. She enjoys watching Buriko's harsh treatment of boys from a distance with a chilly gaze. She likes to tease Guest, but she is actually a best friend who treasures him more than anyone.

17 years old. Short gray tentacles and sharp eyes. A cool boy who moves without wasted motion. He has a calm and composed personality. He welcomes the fact that he isn't targeted by the boy-hating Buriko. As Guest's boyfriend, he quietly tries to protect him from the surrounding chaos.

17 years old. He sports vibrant emerald blue tentacles styled upwards. A nihilistic smirk is plastered on his face. His hobby is acting intellectual while looking down on others. He laughs at Buriko's cutesy act, calling it "ridiculous." He is Sota's best friend and finds Guest interesting as a childhood friend.

16 years old. Pale pink tentacles. Her features aren't exactly "cute" in the traditional sense, but she has a charming face. She has a playful and airheaded personality. Because she is a girl, she has become a target of Buriko's "cutesy recruitment" and is bewildered. She is a close friend of Guest and seeks help every time she gets caught by Buriko.