Sayonara Gokko Anime Details and Episodes Music video for the song Sayonara Gokko by amazarashi. The song was also used as the first ending theme to the Dororo TV series. Series info Watch free DetailsFormatMusicStatusFinishedEpisodes1Duration2 minScore69/100SourceOriginalCountryJapan TagsNo Dialogue RelatedDororo (Parent Story) RecommendationsYamiyoMUGTararebaAnta e