|Area:||Sealed Sinner’s Prison|
|Appears in:||Chapter 3|
Runaeru is a high-raking angel.
She appears accompanying Chamaeru, Granaeru, and Veteran Angel Soldiers in Sealed Sinner’s Prison, ambushing Luka and Alice. However Alice's interference with the prison inadvertently releases Heinrich’s soul, who swiftly defeats all of Runaeru's companions with Luka's body before using Quadruple Giga on her, much to her and the angel's shock.