Misaki

The namesake of the Second Wonders of The Seven Wonders, Misaki's Stair and supposed teacher of Yako. He is capable of interacting with spirits and ghosts. He died after falling from the stair of a certain shrine.

His demise prompts Yako to attempt to recreate a vessel to hold his souls, forcefully enlisting spirited humans she abducted to gather body parts inside her realms and turning them into dolls in the case where they failed to do so.