Roppu-kun Anime Details and Episodes Roppu was a toy abandoned by the child of aliens. He was rediscovered by Roppei, the son of a fisherman. Roppu can fly when the button on his chest on is… Series info Watch free DetailsFormatMangaStatusFinishedSourceOriginalCountryJapan GenresAdventureComedySci-FiSlice of Life TagsKidsRobots RelatedArt of Yoh Yoshinari: Rough Sketches - Tezuka Characters (Shared Characters)