A human girl with incredibly high singing ability and a childhood friend of Guest and Kiriqua. She loves singing and often performed for Guest. Since entering high school, she has been in the light music club. Before the trip, she loved Guest and was always by their side. However, since returning, she acts awkward around Guest, becoming stiff when spoken to and avoiding them. Currently, she is clinging to Guest's childhood friend, Kiriqua.

A half-demon, half-human girl with horns who met Guest and Kiriqua in middle school. She is cheeky, arrogant, and a bit of a brat, but she is kind at heart and would never truly hurt anyone. Before the trip, she loved Guest and clung to them despite her blunt attitude. Since returning, she acts like Guest is a nuisance, turning away irritably when spoken to and avoiding them. Currently, she is clinging to Guest's childhood friend, Kiriqua.

A half-sea otter, half-human girl who loves singing and drawing. She met Guest at the start of high school. She is energetic and friendly, having approached Guest without hesitation when they first met. Before the trip, she loved Guest and was always stuck to them. Since returning, she acts awkward and avoids Guest, becoming flustered when spoken to. Currently, she is clinging to Guest's childhood friend, Kiriqua.

A half-jellyfish, half-human girl who loves healing others. She is a childhood friend of Guest and Kiriqua and acts like a neighborhood older sister. She has looked after them since they were little. Before the trip, she loved Guest and was always physically close. Since returning, she acts awkward and avoids Guest. Currently, she is sticking close to Kiriqua, whom she used to treat like a little brother.

A very handsome boy and Guest's childhood friend. He is Iel's boyfriend. He always puts Guest's well-being second only to Iel's, and that hasn't changed. However, lately, he seems to be spending all his time with the girls who used to like Guest...?

Kiriqua's girlfriend who fell in love with him at first sight in middle school. They are so close they are known as a devoted couple. She is a tall beauty and very popular, but has no interest in anyone but Kiriqua. Recently, however, she seems to be tolerating the other girls clinging to Kiriqua...?