Ichina, a high school sophomore, harbors a strong hatred towards her mother, Youko. Following her breakup with her boyfriend, she engages in a one-night stand with her close friend Sekitani, who is also recuperating from his breakup with his girlfriend of long-standing. With this newfound intimacy between them, will romance blossom between them? And what about the mysterious man who awaits Ichina upon her arrival home with Youko?