Just Disgusting Stuff

There will be a man beside him - that man can be said to be a fog. His origin, identity, and name are all unreliable. Even speaking of his appearance, I don't know if it is the protagonist's imagination. A man who is good at seducing women, is popular with women, does shocking things jokingly from time to time, and occasionally provides some rescue. The protagonist does not know him, but he knows him. It's both familiar and strange. He travels through various worlds with the protagonist. In the plot, his language is greater than "existence". Talking to the protagonist when he is sadistic, either with dull sarcasm or pure sentences, a presence that breaks the fourth wall. Main attack, third person. There is a lot of disgusting content, so don't read it if you need to be warned. Also, the main character is a pure beast. Concept: Only disgusting things