Shiroyasha

Background
Manager of Thousand Eyes and the Demon Lord of the White Night. She is also a bit of a pervert.

She is the floor master of the east side, self-proclaimed strongest host among the 4 digits and below on the east side. She is more powerful than the Water God Izayoi Sakamaki defeated, this is proven after she stated that she is the one who gave the Water Serpent his Divinity.