Sensou no Akuma

Yoru is the War Devil and a member of the Four Horsemen who now occupies Asa Mitakahttps://anilist.co/character/282389/AsaMitaka. Before inhabiting Asas body her appearance was that of a bird largely resembling a potoo. Yoru is first seen on top of a traffic light a few seconds prior to Asa Mitakas death by the Class Presidenthttps://anilist.co/character/282391/GakkyuuIinchous Justice Devil Form. She resurrects Asa in exchange for inhabiting her body leaving half her brain intact to keep her alive.