I've Been Killing Slimes for 300 Years and Maxed Out My Level • Season 1
Aoi YuukiAzusa (voice) / Theme Song Performance Sayaka SenbongiFalfa (voice) Minami TanakaShalsha (voice) Sayaka HaradaHalkara (voice) Manami NumakuraBeelzebub (voice) Riho SugiyamaRosary (voice) Azumi WakiFratorte (voice) / Theme Song Performance Yukari TamuraPecora (voice) Yohei HataAssociate Producer Seiji MiyazakiExecutive Producer Takahiro YamanakaExecutive Producer Natsuko NagaseAssociate Producer Fumito MiuraAssociate Producer Mitsuyo SugiuraAssociate Producer Yoshinori HasegawaProducer Mitsuhiro NanbaraProducer Hitoshi YagiExecutive Producer Sota MikamiDirector Of Photography Nobukage KimuraSeries Director Kaito MurayamaSound Mixer Ryuta NakaharaSound Effects Satoshi MotoyamaSound Director Aoi YuukiAzusa (voice) / Theme Song Performance Azumi WakiFratorte (voice) / Theme Song Performance Keiji InaiOriginal Music Composer Keisuke KojimaCreature Design Emi HondaCharacter Designer Keisuke GotouCharacter Designer Satoshi TakezawaColor Designer Tatsuya TakahashiSeries Composition 
