Ikuko Shiraishi is about to turn 30 years old. She works for a company and is dating Hiroji Kurokawa. Her boyfriend is kind of a loser who lives at her house and does not have a job. Ikuko Shiraishi feels uneasy about getting married and her future. She makes the decision to break up with Hiroji Kurokawa and look for someone to marry. But, in her heart, Ikuko Shiraishi doesn't really want to break up with Hiroji Kurokawa, and she wants to be with him for good. At this time, her co-worker Aoyama confesses to her that he has always liked her.