The King of Shadows: Leveling Up in Another World

Natsuki Subaru, a regular boy, was sent to another world. Normally, this would mean he would experience nothing but pain, suffering, and unimaginable trauma. However, this time, a chance arrives for Subaru. A chance to conquer all the horrors of this world and to protect the people he cares about. He will level up in another world, and become the new King of Shadows!