AQSH-123 Neighbor's wife's lewd return of favor: Seduced by a see-through cosplay... Ruu Tokutaka - Ten Bundles

The wife next door lives alone because her husband has been transferred away from home. Yoshioka, who lives next door to her, is a busybody who never stops caring for her. One day, when she is bedridden with a cold, Yoshioka brings her food and looks after her diligently. When she recovers, she offers her body to him as a token of gratitude. He gives in to the wife's seduction and they make love, but Yoshioka's innocent reaction arouses his maternal instincts, so he plans to seduce her again the next day. He lures her in with a see-through costume and the two end up burning with infidelity.