The Doors Keep Getting Smaller and Smaller (Quick-Transmigration)

Lu Shenxing was selected by the system 222 to travel through worlds to change the tragic fate of others. At the same time, a door was also obtained. You can play in the door as much as you want. But one day, Lu Shenxing discovered that the door he obtained was getting smaller and smaller, and he felt the malice of the universe. --Description from Novel Updates PS - MC is gong NOT MY STORY ! NOT MY TRANSLATION ! Support the source --> https://shittymtl.xyz/dkgss/