There are four girls at Lovehotel...... She keeps a secret from two boyfriends and she went both boys' room at Christmas. Sakura and Toru are friends from school days. Although Toru is married with Misaki, Sakura has an affair with Toru. Sachi and Taku are friends but they keep relationships as sex friends. Ai doesn't like sex and love because her father who was Lovehotel owner and she watches many lovers who have bad relationships.