Yui Kotani, a second-year junior high school student, is obsessed with men's underarm hair. Her classmate Masato Takeo has the thickest underarm hair in the class.
Kanae Hayashi
Seigo Agatsuma
Fuuka Haruna
Mina Hiroe
Naoto Takeda
Haruka Yamaguchi
Masataka Okada
