Hisui Tsurumi

[Lilishka's](https://anilist.co/character/320699/) classmate and another member of the occult research club. She is shy, and because she grew up surrounded by women, she has trouble talking to boys. She is actually the daughter of a wealthy family, and she is a kappa who is the granddaughter of the president of the All Japan Kappa Federation. Her hobby is reading.