Yuki Nee-Chan No Kan-Nou Gokko

first year highschool boy shin yuki stumbles one day upon his naked childhood friend reenacting a sensual novel with an mannequin in an empty classroom. yukino kurose, a third year student, loved to reeanact stories with yuki’s help from books when she was a child, to discover how the characters in the story felt. this time she got herself a sensual novel and asks yuki to help her out with her reenactment again. otherwise she’ll have to find someone else, because mannequins are not enough. after a quick deliberation yuki decided to help her out, because he doesn’t want anyone else to see her naked.