Returning home to his wife's parents' house after a long time, a couple enjoys a warm family reunion embraced by the affectionate welcome of the in-laws. However, when the father-in-law mentions wanting to see a grandchild, the wife suddenly becomes upset, leaves the table, and storms off to her room. Seeing the in-laws' confusion, the husband reluctantly reveals that his wife has been rejecting intimacy, refusing his advances. Witnessing their disappointment, he feels deeply guilty. Late at night, on his way to the toilet, he notices light spilling from his in-laws' bedroom and quietly peers inside. He catches them in the middle of sex. Overcome with arousal, he can't look away. Just as the father-in-law is about to penetrate, his erection suddenly fails, and the mother-in-law collapses onto the bed with a sorrowful expression. Unable to calm his own arousal, the husband returns to the living room to relieve himself alone—but then the mother-in-law appears. As he panics and tries to hide, she says, "Wait," explaining that with her daughter away, she gets too pent-up. Her skilled, slippery handjob and blowjob bring him to the brink of explosion—then she swallows his load in her mouth. The next day, the father-in-law and wife head out to a nearby izakaya. The mother-in-law exchanges tense, charged glances with the husband before quickly excusing herself and retreating to her room. As night deepens, the wife and father-in-law don't return. Gathering his courage, the husband sneaks into the mother-in-law's bedroom. He gently lifts the blanket, finding her asleep, and begins caressing her. Soon, wet squelching sounds emerge from her pussy. Startled awake, she gasps—but before she can react, he can't hold back any longer and forcefully thrusts inside her…