https://mechacomic.jp/books/250219

*“Starting today, I'm moving in here too!”* My peaceful solo life after entering high school was shattered in an instant by my childhood friend's surprise move-in, ten years after we last met. What's more, it turns out my new school is apparently a super-prestigious institution where geniuses gather. A high school girl CEO (childhood friend), Japan's track star, a national actress, after listening to these solitary prodigies' troubles, somehow they ended up moving into my place!? Wait, forming an alliance to make me their “shared property”?? *“Let's take a bath together like we used to!” “How about I give you a massage in bed instead?” “I can't sleep alone...”* The (uninvited) semi-cohabitation life with the beautiful girls who refuse to leave begins!? (Source: Kadokawa, translated)