The protagonist meets three girls - Momoka, an older childhood friend, Kurumi, a strict classmate, and Komugi, a daring bully,
Seiji arrives at the Hot Spring Inn for the training camp of the Bodoge Club.
On the first night of the gathering, he finds in his luggage a deck of cards with strange rules that allow the winner to make absolutely obscene demands on the loser.
All the main characters are gathered in a room and try to force a confession out of Seiji - who he really likes better. However, the guy decided to do it his way and offered to play a lewd game!
