Kototoi

Appears in "Animal Magnetism Theory" and "Lovesick Rappart."

Kototoi is a classmate of both Kuramae and Kiyosubashi. She used to go out with Kuramae and initially kept their relationship a secret.
In "Lovesick Rappart," she became a well-known hypnotist, and Azuma asked for her help to forget someone who broke her heart.