Urusei Yatsura

Ataru Moroboshi, a high school student, finds himself unexpectedly chosen to play a game of tag against Lum, the daughter of the Oni leader, who threatens to invade Earth if she's not defeated. The challenge is made more complicated by Lum's extraterrestrial powers, forcing Ataru to think creatively. He manages to catch Lum off guard, but his intentions are misinterpreted, leading to her moving in with him. With this new living situation, Ataru struggles to reconcile with his desired fiancée, Shinobu Miyake.