D.N.Angel

Daisuke Niwa, a middle school student, has a crush on Risa Harada, but his advances are rejected on his 14th birthday. This event triggers a transformation in Daisuke, causing him to become Dark Mousy, an infamous phantom thief, whenever he thinks of Risa. His mother's long-term plan to have him steal valuable art and become a legendary thief complicates Daisuke's life. His relationships with classmates and family are strained due to his conflicting identities and a complicated family legacy.