King of Underworld저승의 왕은 피곤하다.

Alternate World, Ancient Times, Animal Characteristics, Artifacts, Bloodlines, Caring Protagonist, Character Growth, Cheats, Complex Family Relationships, Cruel Characters, Demi-Humans, Depictions of Cruelty, Domestic Affairs, Fantasy World, First-time Interc**rse, God Protagonist, Goddesses, Gods, Hot-blooded Protagonist, Humanoid Protagonist, Incest, Invisibility, Kingdom Building, Kingdoms, Late Romance, Leadership, Love Interest Falls in Love First, Loyal Subordinates, Magic, Male Protagonist, Management, Monsters, Mythical Beasts, Mythology, Near-Death Experience, Overpowered Protagonist, Personality Changes, Polygamy, Pregnancy, Protagonist Strong from the Start, Quirky Characters, Rebellion, Reincarnated in Another World, Reincarnation, Royalty, Ruthless Protagonist, Schemes And Conspiracies, Sentient Objects, Soul Power, Souls, Special Abilities, Spirits, Strength-based Social Hierarchy, Sword And Magic, Sword Wielder, Unique Weapon User, Unique Weapons, Wars