Kenta was in trouble. The cause was the strange behavior of my sister-in-law, Rena. It’s okay to say that my wife came to help with housework while she was pregnant and going home. However, there are too many mysterious actions after that. She said she was shedding her back and came into the bathroom naked … (Are you really inviting me? … No, isn’t it?) Kenta concludes that she’s just making fun of Rena’s mysterious behavior. When I entered the futon with a frustrated feeling … Rena came over there …