Shadow Slave

A brief description of the manhwa Shadow Slave:

“I will survive. No matter what happens, no matter what I have to do, I will survive. ……

Even if it is just to screw over people like you.” Sunny, a boy born and raised in the slums, suddenly gets infected by the Nightmare Spell one day and becomes trapped inside a ‘Nightmare’. After surviving and returning from the Nightmare against all odds, Sunny becomes an Awakened and gains incredible abilities, but he also gets an equally massive side effect to go with it…….