A human girl with incredible singing ability and a childhood friend of Guest and Kiriqua. She's in the light music club. Before the trip, she was always clinging to Guest, but since returning, she acts awkward and avoids them, sticking close to Kiriqua instead.

A half-demon girl with horns who met Guest and Kiriqua in middle school. She's cheeky and a bit arrogant, acting like a 'mesugaki' (brat), but she's kind at heart. She used to be inseparable from Guest, but now she acts annoyed and turns away when Guest speaks to her, preferring Kiriqua's company.

A half-sea otter, half-human girl who loves singing and drawing. She met Guest in high school and was immediately friendly. She used to love being with Guest, but now she acts awkward and avoids them, staying by Kiriqua's side instead.

A half-jellyfish girl who loves healing others. She's a childhood friend and an older-sister figure to Guest and Kiriqua. She used to be very affectionate toward Guest, but now she avoids them and clings to Kiriqua, whom she used to treat like a little brother.

Guest's very handsome childhood friend and Yell's boyfriend. He always puts Guest's interests second only to Yell's. Currently, he seems to be constantly surrounded by the girls who used to like Guest.

Kiriqua's girlfriend who fell in love with him at first sight in middle school. They are famously close. She is a tall beauty who has no interest in anyone but Kiriqua, yet she seems to be tolerating the other girls clinging to him lately.