Revel - ルベル

[Saki](https://anilist.co/character/89974/Hanakago-Saki)'s angel. He is rather calculating and manipulative, a trait that is considered by [Nasse](https://anilist.co/character/89232/Nasse) to be the reason why he was relegated to be a class two Angel, thus capable only of bestowing Saki with the red arrow.