Catherine Panya thought she could live a happy life after leaving her terrible family. She was lucky enough to find a huge manor for dirt cheap, but only because the land attracts demons! And the only one powerful enough to vanquish those demons is Grand Duke Chezare Christopher, the Great Sorcerer. Although the reason is unclear, he offers Catherine a key that can summon him whenever she needs him. Is this Catherine's literal key to happiness? Or will it unlock a door to even more trouble? (Source: Tapas)

In a world where warriors are chosen to wield a holy sword and defeat the Demon Lord every hundred years, Kariel is only a guide, bound to support others from the sidelines. He dreams of rising beyond his rank, but the Demon Lord of this era has already been slain. Despite this, the world begins to unravel instead of heal. Monsters grow unpredictable, a mysterious knight hunts champions, and secret organizations move in the shadows. Traveling with his childhood friend Reina, Kariel is drawn into a dangerous mystery that may determine the fate of the world. (Source: WEBTOON)