You are going to Watch Hi Hi Puffy AmiYumi Episode 28 English dubbed online free episodes with HQ / high quality. Stream Anime Hi Hi Puffy AmiYumi Episode 28 Online English dub Secret Origin: It’s the childhood years of Ami and Yumi. At camp, Yumi is grabbed by Rumaki, the bunk monster, and Ami and Atchan must save her. Ami and Yumi arrive at Camp Youwannasushi and are thrilled. They are then met by Atchan. Then, Atchan is telling them of Rumaki. Yumi gets grabbed by Rumaki and Ami and Atchan go under the bed to save her. There, Atchan and Ami help stop Rumaki. They manage to save Yumi, but she didn’t believe them because she was in the sack for the whole episode.