BasedonthemangabyInoueNoriyoshi,whichhasalsohadaSNESgamespinoff
　　NatsumeKiroemonisthe45thleaderoftheNatsumefamilytoinherittheKouryuunoMimi,atoolwhichgivesitsbearereasyaccesstowealthandwomenAsaresultofhisfather'sdeath,heleavestheItalianmonasterywherehehadbeentrainingandtorightfullytakeonthenameNatsumeKiroemonaswellasthepoweroftheKouryuunoMimiUponhisreturntoJapan,hefallsinlovewithKanako,oneofthemembersoftherivalMinafamilyHowever,theevilhandoftheMinafamilyattacksNatsumerepeatedlyandabductsKanakoButnowthatNatsumehasunlockedtheseal,makingtheKouryuu'spowersurge,hecanstrikebackattheMinafamily