Kenta and his wife had a fight over something so trivial. Feeling guilty for having to go to work without having time to apologize, he tries to mend their bond by having sex to make up. While squeezing his sleeping wife's protruding buttocks, he ejaculates inside her vagina, which is squeezing him tightly. (Hmm...I wonder if she's sensitive today? It feels much better than usual.) Feeling completely pleased, Kenta tries to give his wife a kiss to make up, but... When he turns over the covers...he finds his mother-in-law, Chisato...