Race: Human
School Grade: 2nd year
Height: 158 cm

Komori Yui is a normal girl who gets sent, by her father, to the Sakamaki brothers' house. She is a good-natured and sweet girl. Her dad works in a Church and she has the power to see ghosts.
Despite she is technically human, she has Cordelia's heart so is more like a dormant vampire. She is unaware of this though.