A gathering of both men and women, all in their thirties, at a mature alumni association. Hikari (32) has been married to her husband Ando (32) for six years after dating since their student days. One day, they receive an invitation to attend a reunion with their old classmates. Despite his busy schedule, Ando manages to rearrange his work commitments so that he and his wife can attend together. As everyone dresses up and shares stories about their lives, various desires and intentions intertwine among the group...! Note: The contents may vary depending on the distribution method.