I Paint Eternal Life with My Brush

A world filled with ghosts and ghosts, a world where people are in dire straits. Monsters roam the wilderness, and traitors wield power in the court. Han Cheng traveled to this world with half a year's lifespan, and used a paintbrush in his hand to conquer ghosts and demons. Since evildoers and ghosts are causing trouble, I will use the paintbrush as a medium and the cinnabar as a guide to collect your soul to paint my eternal life!