Ecchi shonen series about a school run by the ruthless "head girl's club" and a new transfer student determined to rebel against them. // http://kissmanga.com/Manga/Yarukkya-Kishi

Makoto Gousuke has just transferred to a new high school with the intention of being the toughest kid there. Little does he know that there’s an entire group of toughs who already rule the school, and they’re all girls! After being humiliated by their leader, the pretty Misaki Shizuka, he vows revenge and when he gets it starts a lengthy battle between the sexes at the school. // https://www.mangaupdates.com/series.html?id=53055