Urusei Yatsura - Season 1 Episode 21 Ataru Genji Goes to the Heian Capital (1) Grab her horns and she might just become your darling!
Overview: First appearance of Mendo, the rich noble; but it is not until episode 27 that he really does anything. Mendo tells a tale about ancient Japan featuring the normal cast in a slightly different alien invasion story. The aliens this time, all look like a bunch odd barbarians, except for a pretty girl and her young boy cousin.