（Maybe, are you inviting me, sister-in-law?） Takuya, whose pregnant wife had gone back to her hometown, was enjoying his long-awaited single life. Suddenly, his sister-in-law, Yuka, came to help with the housework... Whether intentionally or not, her frequent glimpses of her chest and panties. Yuka, who was strangely seductive, made Takuya's penis rise despite his confusion. Seeing this, Yuka then said, 'To prevent infidelity, I'll let you vent,'...
