Mahjong Hishou-den Naki no Ryuu: Gaiden Anime Details and Episodes Set 10 years after the original series. Series info Watch free DetailsFormatMangaStatusFinishedSourceOriginalCountryJapan GenresActionDramaSports TagsMahjongGamblingGangsSeinenBoard Game RelatedMahjong Hishoden Naki no Ryuu (Prequel) CharactersRyuu