Five years after marriage, the Suzumiya couple's relationship has not cooled down, but their nightly activities have become stagnant. - The husband tries to break out of the rut with cosplay and other activities, but his wife, Mari, is in a state of agony. - Even his brother-in-law Shinji, who visits him from time to time, sees through this and is pushed down at random moments. - Mari's frustrated body was secretly expecting to be raped by Shinji's strong body, and before she knew it, she let out a moan while resisting...