An adult class reunion where men and women in their thirties gather in their prime. Hikari (32) is a housewife who has been married for six years to her husband Kazuya (32) after a long relationship since their school days. One day, she receives an invitation to a class reunion where her old school friends will gather, and Kazuya, who is very busy, adjusts his work schedule to attend with his wife. Everyone dresses up, drinks alcohol, and shares updates on each other's lives. There, various intentions of men and women intersect...!