You're young, you're in love, you get married--and the first thing the Marriage Registration clerk asks is, "Do you want the Divorce Registration form as well?" Momoko is flabbergasted; she loves carefree Kazuya very much. Yet she returns a month later to turn in the divorce request. The same clerk, Touma, refuses the request form--it's smeared with Kazuya's blood. Momoko hits the roof and rants at him. To her surprise Touma takes out a handkerchief and gently wipes away her tears. "If you have any problems," he tells her, "you can come to my place." Kind one moment, cold the next, and then boyish afterwards, Touma drives Momoko crazy. But then Kazuya reappears--and brings trouble with him as usual...