Gakuran Ninpouchou

Synopsis

Ikehata Shino was raised as a kuniochi, a fearless female ninja who uses sex to get information from men. Since he's a guy Ikehata never thought he'd use his skills, until he met the cool, handsome Andou. But no matter how hard he tries, Ikehata can't seem to get his man... (Source: MangaUpdates)