Saya Irino

Saya Irino works as a student counselor at Mato and Yomi's school, where she often uses psychological manipulation and moral harassment under the guise of providing guidance. She is frequently seen brewing various coffee blends for her visitors while pursuing a hidden agenda regarding the supernatural realm. After forming a bond with Yuu during high school, she uncovers the truth about the connection to Black Gold Saw. This discovery leads her to vow to protect Yuu and prevent Black Rock Shooter from destabilizing reality.