(W) singNsong (A) Undead Gamja

From its strange inhabitants to the bizarre rules they follow, Abyss has been a confusing experience to Jaehwan. But when he spots an old friend he never expected to see again getting dragged away, his next goal instantly becomes clear-rescue Yunhwan, no matter what it takes! His desperate search leads him to Metaverse, a Nightmare Tower designed only to provide depraved entertainment to the gods of Abyss...