Benriya Saitou-san, Isekai ni Iku Temporada 1 Episódio 10

As Morlock and Saitou talk about Raelza, the demon dog attacks! Raelza and Lafanpan arrive to find their friends at a clear disadvantage. Then, the demon dogs master, a twin-headed demon with strength on par with a demon king, appears before them.