Koyoi Meriy

 (狐宵メリィ) is a member of AZ-ON, and a former member of WiLL DoLL (As Kurayami Mery; 黒病メリィ) and Anone (As Akabami Mery; 紅喰メリィ).

She joined WiLL DoLL with its formation and remained in the group until its disbandment.

She joined Anone on February 21, 2021 and remained in the group until its disbandment.

She joined AZ-ON on May 7, 2023.

Trivia

 * Her fan name is Mery-kyou (メリィ教).