Ai to Yokubou wa Atarashii Gakuen de

Full Bloom is a private all-boys academy known only by few where students learn the arts of seduction. After his parents kick him out and his hookup rejects him, Moga Kagesumi enrolls in Full Bloom's idol department to learn how to support himself. Moga might not be the classical image of an idol, but he catches the eye of Gabriel, a successful fashion icon. When Gabriel wins a date with Moga, Moga discovers his future might be filled with more love than he expected.

(Source: Fantasista)