I hate being in pain, so I think I'll make a full defense build - Chapter 2: Defense Specialized and First Battle

I want an S-Rank skill too! I want it so badly, I could die for it!

On her wedding day, she was humiliated; her status as the legitimate wife was instantly changed into that of a concubine.

His friend and his wife betrayed him. The only thing left to him was his massive debt and his precious daughter. He was without hope as he lived at the bottom. However, a last chance had come to Sungyoon. He was a ‘man without a heartbeat’, and he will explore the Moon’s Labyrinth. He’ll explore the parts of the dungeon yet to be seen!