Both men and women in their thirties gather at this adult alumni reunion. Hikari (32) and her husband Kazuyoshi (32) have been together since their student days, married for six years now, with Hikari as a full-time housewife. One day, an invitation to a reunion with old classmates arrives. Despite his busy schedule, Kazuyoshi adjusts his work plans, and the couple decides to attend together. Everyone is dressed up, drinking and exchanging news about their recent lives. There, various intentions of men and women intertwine...!
