Urusei Yatsura

This enduring sci-fi comedy follows the Oni invasion as it upends the quiet town of Tomobiki and reshapes the life of Ataru Moroboshi, a lecherous, troublemaking tenth grader. When he unwittingly proposes to the Oni princess Lum Invader instead of his sweetheart Shinobu, Ataru becomes a magnet for alien arrivals on Earth, unleashing chaos for himself, his friends, and his reputation.