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