As two Japanese high school students, Rena and Yuko, navigate their first uncertain sexual experiences, they travel across Japan, discovering how choices they face can both separate and unite them.

Two good friends entering different women's colleges, joining the wrestling club, and fighting as rivals.

A young executive has a really bad night after an encounter with a crazed bisexual wannabe yakuza and his horny girlfriend.

Kato is a small time TV producer. He has a wife Masako, and a young son Taro. Kato also has a friend Yamazaki who he knew since college. Yamazaki has a girl friend Riko who lives with her younger sister Yuko who's an actress. Yamazaki is a lyric writer/womanizer and he starts to have an affair with Masako, but he's still going out with Riko.

When Sonoko enters a traditional Japanese arranged marriage with Amamiya facilitated by her parents the resulting union is loveless including the functional and goal-oriented sex. When the husband and wife move for his work she falls for her husband's boss and takes on the role of a betrayer.