A former forest spirit which was reincarnated as human by the sorceress Elluka Clockworker, eventually becoming her apprentice and helping her in her quest to gather all the Vessels of the Deadly Sins.
After the events of the Merrigod Battle, she was blasted into the Hellish Yard along with Seth Twiright. Incapable of leaving the place, she eventually assumed the role of the new Meikai no Nushi.
