The main character of this manga. After she catches her boyfriend kissing Sakura, she suggests that she and Sakura's boyfriend start an affair too. It is later revealed that they only pretended to kiss. After Mayuri finds out, Kaname reveals he knows that Mayuri and Aizawa were doing things behind his back. He apologises for making her feel insecure and begs her to choose him. She does, but they eventually break up because she has already fallen for Aizawa.