OBA-310 A married woman named Fujisawa Miou invites her lover to her home for sex while her husband is away.

The son attends an English conversation class where there is a debate presentation event. On a certain holiday, the husband took the son out of the house. After that, while Moe hurriedly took a shower and cleaned her crotch, her fuck buddy Okazaki arrived. The two, who had not seen each other in a long time, exchanged passionate kisses without even greeting each other and ended up satisfying each other at the entrance before they could even move to the bed. From that moment on, the pent-up sexual desires of the age-gap couple clashed in a 'time-limited・unrestricted FUCK'...