多摩川 姫乃

Likes: fashion, urban legends
Dislikes: school regulations, bullying

Mayu's classmate and best friend. An outdoors person with a good sense of fashion. As part of the sports club, Himeno likes to play, but she does not seem very excited about being part of the club.
She heard the rumors about Manten Aquarium and asked Mayu to investigate with her.