Laviange is on her third life—the first was as a notorious villainess, the second as an ordinary woman in Japan, and now as a noblewoman. Wanting to take it easy this time, she feigns incompetence...until a training accident exposes her true power.
Facing execution for a crime she didn’t commit, Westalia Lejainne fakes her death, assumes a new identity, and sneaks into a nearby empire. There she competes to become empress, reclaim her position, and prove to the world that she is no villainess!

An ordinary kid finds himself in an RPG-style fantasy world and resolves to do whatever it takes to conquer the heart of the Dungeon and get back home to his little sister. Just how calculating will he be in his quest, and what lessons will he learn?