sajou no hana — Tentou (Dungeon ni Deai wo Motomeru no wa Machigatteiru Darou ka IV: Shin Shou Meikyuu-hen OP)
Artist: sajou no hana
Song title: Tentou
Anime «Dungeon ni Deai wo Motomeru no wa Machigatteiru Darou ka IV: Shin Shou Meikyuu-hen» opening theme