I'm Giving You a Licking Dog System. You Really Lick It.

[The protagonist is a bit fierce + the system is a bit tricky + multiple female protagonists + not the Virgin + Cthulhu + surgical transformation, instructions for entering the pit] Chu Ge was a little miserable after time travel. He almost died and was given three corpse pills! In order to survive, as the King of the Sea, he had to go against his nature, comply with the system's requirements, and start an unusual road of dog-licking in the Evil Spirit Continent! Chu Ge, who has been on the battlefield for a long time, came up with a famous aphorism: Being a dog licker is all good, but it's a bit wasteful! I don't care about life and death, there are weird evil spirits and saints in the world, just do it if you don't accept it! System: Are you sure? Chu Ge:! ! ! There are currently these evil spirits: (tentacle monster, long tongue monster, evil ghost knight, cracked woman, red ghost, corpse sister, ghost doll, succubus...