The Hell of Mirrors

The Third of the Seven Wonders. A mysterious world beyond the mirror. There, mirrors reflect the hearts of those who wander into it. Those with pure hearts and bravery can safely return to their original world, but if there is even a slight ugliness or fear, the mirror reflects it, and the world quickly turns into a hell that attacks. However, due to a certain incident, he is killed, and Mitsuba takes over his position.

It looks like a bird, with a scar on its right eye. Wearing something like a cloak, with long fingers.