Yoshimasa HosoyaHal (voice) Yoko HikasaKurumi (voice) / Theme Song Performance Mamoru MiyanoRyuu (voice) Shinpachi TsujiAranami (voice) Ako MayamaTsukiko (voice) Hikari YonoRumiko (voice) Kanami SatouMegane (voice) Arisa NishiguchiHat (voice) Ryo KuratomiRyuu's Friend (voice) Uko TachibanaErika (voice) Ryotaro MakiharaReżyseria Kazutaka AkimotoExecutive Producer Yoko FurukawaExecutive Producer Mitsuhisa IshikawaExecutive Producer Tetsuya KinoshitaProducer Yusuke TakedaArt Direction Koji TanakaDirector Of Photography Tomomasa SanoOnline Editor Michiru OshimaOriginal Music Composer Yoko HikasaKurumi (voice) / Theme Song Performance Sho OhtaniProduction Assistant Shūichi SekiKey Animation Masahiro SatoKey Animation Tomoko SugimotoKey Animation Tomomi KamiyaKey Animation Tomoko NittaKey Animation Tomohisa ShimoyamaKey Animation Shingo AdachiKey Animation Takaaki WadaKey Animation Ayumi YamadaKey Animation Katsuhiko KitadaCharacter Designer Atsuko NozakiAnimation Director Hirotaka KatoAnimation Director Hitomi HasegawaAnimation Director Emiko NishidaCgi Director Ayano TanamuraCg Animator Kosuke TomiokaCg Animator Yuuko FujitaColor Designer Atsushi IkariyaKey Animation Yuko YamamotoAnimation Director Kazuyuki Nakahashi3d Artist 
