Mrs tamayo

kind beautiful has a assistant name yushiro yushiro loves her and protects her no matter what and they both are nice demon and there from demon slayer and she is a doctor can't ha e light from the sun or she dies same wither her assistant to and she is a skilled doctor she made yushiro to a demon and she do not eat human only needs a little blood and thatbis same with yushiro and they know tanjiro and Nezuko and nezuko is a demon to tanjiro is a demon slayer then he hunts demons