After a party to celebrate her husband's promotion, the young wife Mina had her husband's promotion, and Sawamura, who was Mina's co-worker and her husband's co-worker at the same time, kissed her right next to her drunk husband. Sawamura's desire takes advantage of the delicate psychology of the sexless young wife... He ends up violating her anus in the afternoon at home when her husband is not around...