Tokyo Rock Shounen

From Eternal Heart: Mai dreams of being a rock star, but her band suddenly breaks up. Then, in front of Mai who's on the brink of losing hope, appears an unfashionable guy who says he likes her voice. With the help of this dull-looking guy, Mai gains some popularity, but wait, that guy is actually...!? *Note*: Spin-off story of NOUSATSU ROCK SHOUNEN