After traveling through time and space and becoming a cute little boy, Nangong Han expressed that he wanted to grow up quickly. He wanted to be shy~But after he moved into Lady Mira’s house…His system came, and he turned into a succubus. Everything changed from here~Because if he wants to grow up, he can only live with and interact with various older sisters and aunts…Ps: Lady Mira, Takamine no Hana, Kaede and Bell, Nanao Akane, Marikawa Shizuka, Busujima Saeko… (Other erotic and erotic stories will be added later…)