Cards Lead to the Ghost World, I Passed the Dungeon by Seeing Through the Black Fog

[Unlimited streaming, no cp] Xiao Zhanqing received a card that would send him to the ghost world to perform tasks every half month or so. When the task was completed, the card was upgraded. If the task failed, he became the ghost's ration. The black mist that only he can see, the cursed brother, and the ghosts that keep appearing in the world. As Xiao Zhanqing continues to enter the ghost world, a hidden history is revealed...