My neighbor is a perverted married woman

In the house next to Yukihira lived a beautiful wife, Yuri, who was rumored to be beautiful in the neighborhood, and her husband. Yuri and Kohei's first encounter begins when Yuri comes to her room to retrieve the panties that were thrown into her room. The two of them are overwhelmed by the wild lewdness of Yuri, who is wearing no panties and has a toy attached to her crotch. The reason she learned that the panties were an invitation from the couple living next door was because she caught a glimpse of the perverted play that was being repeated every day, and Kohei was invited to the fun party...