Hashiba Junichi is a high school student who desperately wants to lose his virginity. His evil friends force him to ask out a gal in his class, Yame Yukana, so he begs her to date him while kneeling on the ground.

Junichi's kneeling love confession worked and he's now dating Yukana. Yukana invites Junichi to karaoke after school, and according to his friends that's where couples go to have sex. Will Junichi lose his virginity already?

Junichi finds a love letter in his shoe box after school, but feels compelled to properly turn the girl down. As it turns out, there's another gal waiting for him who starts to get hot and heavy with him.

Junichi is eating lunch with Yukana in the courtyard, but Ranko is with them ruining the atmosphere. After school, Kashii Yui takes Junichi to a cafe to find out whether Junichi and Yukana are truly dating.

Junichi dreams about having sex with Yukana and is in a rather pleasant mood. But could this be more than just a dream?!

Junichi is getting much closer to Yukana, and Shinpei suggests playing the King Game in order to get even closer. Junichi and the gang meet up at Yukana's house. Will it be a raunchy night of fun and games?