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.

Complex x Complex

Thirteen years after abandoning his wife and two sons by stepping out for a pack of cigarettes and never returning, deadbeat gambler Masato dies of stomach cancer. At his funeral, a motley crew of fellow mahjong players, pachinko parlor employees and former drinking buddies gather to pay their respects and tell stories, revealing aspects of Masato’s life that complicate his sons’ resentment towards him.