[Note: "madness" in the title refers to mental illness.]
Bai Xiao has a goal, and he is willing to pay any price to achieve it. But why does he suffer so much? If only he could forget everything...
College student Bai Xiao finds a key that seems able to open doors to different worlds. What incredible adventures await him beyond them? And as he keeps transmigrating, Bai Xiao discovers that the key may not be as simple as it seems...
