15 parts Ongoing After the White Room is closed and revealed to the public by the government, the fate of its founder, Ayanokoji Atsumi, becomes unknown and unknown.
Kiyotaka, the masterpiece of the White Room, and the son of its founder, finds himself in a new beginning in his life without any chains that bind him anymore, and in a world that is completely new to him.
He receives an adoption offer from his aunt, whom he just met, and he accepts the offer, but discovers that this family consists of 18 girls, ages 0 to 17, and not only that, but his aunt is pregnant in her second month!
Now Kiyotaka begins a new life with this strange family, with no white walls stopping him. What will Kiyotaka do with all the knowledge and ability he gained from the White Room?
This is a crossover fanfiction between Classroom of the Elite x Baby Princess, and maybe others, so the characters do not belong to me and each of them belongs to their owners, I only own my OCs.
