Shion

シオン(紫苑),

"War Lord" Shion ["闘神王"紫苑, "Toushin Ou" Shion] (Shion literally meaning, "Violet Garden") is Rimuru’s first servant to be in charge of his care as his personal secretary. She is also the leader of the Yomigaeri and also one of Rimuru's strongest fighters and is coveted by many of the Demon Lords who have met her.