In Hinanos World, with the Strongest Friends

Hayato, a regular high school sophomore who adores Hinano Tachibana, finds himself suddenly transported to another world during her concert at the school culture festival. In this realm of magic and monsters, Hinano isn't an idol but a real magician, and Hayato reluctantly decides to fight to protect her. The world is threatened by Naglfar, a monster king aiming to destroy everything. Hinano and her allies stand against it, but the enemy grows stronger by the day. Hayato discovers he possesses

In Hinanos World, with the Strongest Friends - Episode 0