Everyone Changes Their Profession: Lord of the Netherworld, You Will Become Stronger by Burning Your Corpse

[Fast-paced and cool writing, huge upgrades, invincibility, loser breaking off the engagement and starting with a slap in the face, multiple female protagonists] The game has come to reality, and mankind has entered the era of job transfer for all people. Lu Fan was reborn until the day he changed jobs at the age of 18. He changed his job again and became a Nether Warlock with an F rating. He was ridiculed by his classmates, abandoned by his family, and his fiancée broke off the engagement. But what everyone doesn't know is that his profession can awaken into the world's only hidden profession, the Nether Lord. Not only can you burn monster corpses to gain experience points and attributes, but you can also summon terrifying netherworld creatures to help in the battle! !