Mahiru.Kei's manga / #Isekai(42)

a man? emmmm a boy, anyway he is 28 Y.O with a baby face kkk named Ho Kangwoo, he is isekaied to Hell for 10,000 years, and manages to get back to earth after absorbing 7 princes of hell or 10,000 demons, when he gets back to earth it's only 5 years after he disappeared, but earth already changes to a typical player world after the calamity, monster and dungeon appeared 5 years ago. the story continues with him being a player, and some random group worshipping a demon to get the power to appear, and so on.

Tower after tower