Sayumi SuzushiroPyontaro (voice) Natsumi KawaidaTsubame (voice) Eri AkiyamaHiroshi (voice) Ferdinando PatulliProduction Design Yusuke KameiArt Direction Naoya TanakaProduction Design Keigo NakamuraArt Direction Keisuke IdeSeries Director Susumu SugaiAssistant Director RyunariAssistant Director Akiyuki TateyamaOriginal Music Composer YuuriTheme Song Performance Frédéric ChateauOriginal Music Composer otohaTheme Song Performance Naoyuki OndaCharacter Designer Yuuki MoriyamaCharacter Designer Yuki MoriyamaCharacter Designer Junko YamanakaCharacter Designer Takehiko HoashiMechanical Designer Hiroshi SekoSeries Composition 
