Hi Hi Puffy AmiYumi (2004)

Episode Overview

As children, Ami and Yumi show up at Camp Youwannasushi, where they encounter Atchan, who warns them about the bunk monster named Rumaki. Suddenly, Rumaki snatches Yumi, prompting Ami and Atchan to crawl under the bed to rescue her. They succeed in getting Yumi back, but she remains skeptical of their story since she spent the entire time in the sack.