MKMP-517: 在學校里爭取 0% 的童貞！ 教室里似乎對天真的男孩 Rio 和 Nanami 微笑的偶像，好朋友二人組的第一次 支援

Aim for 0% virginity in the school! Idols in the classroom who seem to smile at naïve boys Rio and Nanami, the first SEX support of a good friend duo