俺ん家が女子の溜まり場になっている件

High-spec beauties and semi-cohabiting lovey-dovey (!?) rom-com! Following his homeroom teacher's advice, Jinpei Itsuki moves to Tokyo and enrolls in high school. He reunites with his childhood friend Kanna, only to discover she's become a genius entrepreneur earning hundreds of millions annually all while still a high school girl! Furthermore, his class includes Japan's next track star and a national actress, revealing this elite school is actually a gathering place for geniuses. Somehow, these high-spec girls start showing up at Jinpei's house...!? (Source: Kadokawa, translated)