Duel! Ataru vs Ataru - Wake up to a Nightmare

Urusei Yatsura – Season 1

By eating a manju Cherry intended to bury, Ataru splits into two, one polite and the other casual. As Ataru sleeps in class after continuously losing to Lum in a card game the night before, he keeps having weird dreams until meeting a weird fellow feeding nightmares to a baku.