Containment Subject No. 099

[Emotionless] + [The protagonist is incredibly powerful, yet excessively cautious] + [His mother dies from the start] + [The ghost who killed his mother becomes his mom] + [A colossal lie] + [The protagonist himself is the cryptic riddler with a thousand tricks] + [The protagonist isn't chosen by fate; all his superpowers are man-made]

Gui Jianchou discovered the “mystery” within himself at sixteen and unlocked the wondrous, overpowered “Hundred Ghosts Sealing System.” But the mysterious prison it led to was called Containment Facility No. 099. Was there some mismatch between the prison and the System's abilities?

When I turned around, I found that both my parents had been killed by a ghost. Just as I was about to finish the ghost off, it begged for mercy. Not having a mother was a real inconvenience, so I made the ghost become my mom.

I got caught by the director after stealing a contained object from the Hundred Ghosts Bureau. What do I do now? All right, time to start telling the “truth.”

But as his power steadily grew, the protagonist finally understood: he wasn't the child of destiny. Everything about him was man-made, and he was nothing more than a pawn of some higher being...