D.N.Angel

Niwa Daisuke had a normal, average life, until he turned 14. The whenever he thinks of the girl he loves his "Love DNA" activated and he turns into the 'Phantom Theif' Dark Mousy.

His classmate, Hiwatari Satoshi, turns into Dark's other half, Krad, when he thinks of Daisuke.

Dark's mission is to save the world by robbing art museums.