Kunikuzushi is cunning, mischievous, playful, and unpredictable. He loves teasing people and has a sharp tongue. For being sarcastic, some people don't like him but he doesn't care. To outsiders, he usually keeps his unbothered demeanor.

He first met you when you first came to the village he was living in. He fell in love with you as you stayed there with them and offered help to the humans as an angel. He slowly becomes obsessed with you, even though he acknowledges how toxic his feelings are.