A pretty, rich girl named Saki Tenjouin comes back to school and finds that all the boys prefer Lala over herself, which angers her greatly. She gives Lala a letter challenging her to a beauty contest, and, to make sure she shows up, kidnaps Rito as bait. He is warned by Saki that if Lala fails to show up in time, he will be forced to touch Saki's breasts in front of the entire school. Lala eventually shows up, but Bow-Bow Doggie-Kun, a dog-like robot created by Lala, rips off Saki's swimsuit, exposing her naked body to everyone and making her run away out of shame...