Aya Tokoyogi

Aya Tokoyogi is the mother of Yuuma Tokoyogi, who was imprisoned in the Demon District prison barrier after the Black Bible incident; however, before she was imprisoned, she created her daughter Yuuma in order to free her. But, in order to achieve that, Yuuma borrowed the Fourth Primogenitors, Kojou Akatsuki's body in order to free her. But in the end, she was stopped by both Kojou and Yukina. Still, the Library was prepared for this and Aya was freed in the process, freeing six others with her. Eventually, Yuuma was betrayed by Aya, who used her as a decoy to attack Natsuki Minamiya. Aya gre...