Oshi V ga Oshiego de Watashi ga Mama de!?

Kazuki Karasawa is a college student pursuing a career as an art teacher. During her teaching practice at a school, she becomes involved with a student named Tsubosaki Mimi. While seeking solace in the livestreams of her favorite VTuber, Tsubomi, Kazuki later discovers that Mimi is the one operating behind the Tsubomi persona.