Shota-kun finally meets his sister for the first time in seven years. Taking advantage of the fact that her family is out, Shota-kun, a precocious boy, plays doctor and gropes her breasts. During a game of hide-and-seek, he even makes his sister give him a blowjob in the closet, and cums in her mouth! He also plans to play a prank on his sleeping sister, but his sister's adult hips turn into a full-blown pervert, and Shota ends up climaxing with a creampie!