Ellie works as an enchanter. Every day, her older sister Jacqueline, who owns the shop, abuses and overworks Ellie. One day, after Ellie experiences magic exhaustion, Jacqueline violently assaults and abandons her. The one who picked up the battered Ellie was a duke named Arvin.

A fantasy story about an eccentric duke and an ordinary girl. After Ellie's body recovers, it's revealed that she actually possesses incredible abilities...? Meanwhile, Jacqueline finds herself in a dire predicament, unable to even enchant simple magic stones—.