Miyabi Herikawa is a student first appeared after the Lockdown.
When Shu became a tyrant, she shows an admiration to him. She is also close with a female classmate, Ritsu, who Miyabi attempts to avenge her death from Gai only to be sacrificed in Episode 18.
She wears a Tennouzu high school uniform and long black hair.
Her void is a scythe.