D.N. Angel Vol.1: Yukiru Sugisaki
Book 1 of this classic manga series!
"Daisuke Niwa is an ordinary middle school student with an extraordinary genetic "condition". Whenever he starts longing for the girl of his dreams, he transforms into the legendary Phantom Thief, Dark! The only way to lift the curse? To have his love returned, of course. But how can Daisuke win the heart of a girl he can't even romance?"