Eumiella is less than thrilled to realize that she's been reborn as a character in a game she played in her former life as a college student – and the hidden boss at that. Determined to avoid the bad end in store for her, she decides to hone her skills and then lay low once she's sent to the school where the heroine and love interests are. Unfortunately, she's a little too good at honing her skills, and before she knows it, she's hit the unheard-of level 99. Now the heroine and her boys not only notice Eumiella, they suspect her of being the demon lord herself!

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