俺ん家が女子の溜まり場になっている件

Synopsis

At his homeroom teacher's recommendation, Jinpei Itsuki moves to Tokyo and enrolls in high school. He reunites with his childhood friend, Kanna, but she has become a genius entrepreneur, earning several hundred million yen a year while still a high school student! Furthermore, his class also includes the next ace of Japan's track and field world and a nationally famous actress, and he learns that he is, in fact, at a prestigious high school where geniuses gather. For some reason, these high-spec girls start showing up at Jinpei's house...?!