Natsumi

Natsumi is Hakases granddaughter. She is 14 years old. She often treats Kakeru like her little brother. Natsumi can be bossy at some times but she can get loveydovey when Hiroki saved her life in Episode 36 of Season 2 from Pink Monkey. Natsumi can be terrible at cooking which made Hakase and Kakeru puke.