ib es ▁on ▁" D iam ond ▁In ▁The ▁R iff " ▁ ▁References ▁ ▁Category : 2 0 0 8 ▁albums ▁Category : J azz ▁albums ▁by ▁American ▁artists <0x0A> </s> ▁is ▁a ▁ 1 9 9 8 ▁Japanese ▁an ime ▁television ▁series ▁based ▁on ▁the ▁m anga ▁of ▁the ▁same ▁name ▁written ▁and ▁illustrated ▁by ▁K azu ki ▁Tak ah ashi . ▁It ▁was ▁the ▁first ▁an ime ▁adaptation ▁of ▁the ▁m anga ▁series ▁and ▁it ▁was ▁produced ▁by ▁To ei ▁An imation ▁and ▁directed ▁by ▁H iro y uki ▁K ak ud ō . ▁The ▁series ▁tells ▁the ▁story ▁of ▁Y ug i ▁Mut ou , ▁who ▁after ▁solving ▁the ▁ancient ▁Mill en ni um ▁P uzz le , ▁aw ak ens ▁a ▁g amb ling ▁alter - ego ▁within ▁his ▁body ▁that ▁solves ▁his ▁conflicts ▁using ▁various ▁games . ▁ ▁The ▁series ▁adapt s ▁the ▁first ▁ 5 9 ▁chap ters ▁of ▁the ▁m anga ▁series ▁in ▁a ▁heavily ▁ab rid ged ▁format ; ▁ski pping ▁many ▁chap ters ▁and ▁featuring ▁several ▁key ▁differences ▁from ▁the ▁m anga . ▁It ▁also ▁adds ▁a ▁new ▁regular ▁character ▁to ▁the ▁group , ▁Mi ho ▁N os aka , ▁who ▁was ▁originally ▁a ▁one - shot ▁minor ▁character ▁in ▁the ▁m anga . ▁ ▁The ▁series ▁was ▁broadcast ▁on ▁TV ▁As ah i ▁from ▁April ▁ 4 , ▁ 1 9 9 8 ▁to ▁October ▁ 1 0 , ▁ 1 9 9 8 ▁and ▁was ▁followed ▁by ▁a ▁the atr ical