Kouzaki Io

One of the protagonist’s many classmates that calls herself the "Daughter of Darkness." She lives in the same dormitory as the protagonist. Donning a highly-customized school uniform, she prefers to employ advanced diction in her speech. As such, most in her class keep their distance whenever possible. She is convinced the transfer student, the protagonist, bears many secrets, and is quite curious about him. "...I am the sealed Daughter of Darkness. Offer thy name as sacrifice to my resurrection."