Happy World!

Oomura Takeshi has endured a lifelong streak of misfortune. After encountering an angel named Elle, he learns his father cursed him with this bad luck. He is given a chance to transfer the curse but chooses to keep it in order to save a young girl. As a reward for his selfless act, Elle becomes human and moves in with Takeshi to help shield him from the effects of the curse, a situation that he is not pleased about.