Even Fairy Tales in the World of Snake Essence Disease Don't Understand

It's not scary for ordinary people to play the role of snake patients, but when a snake patient with a mental illness certificate pretends to be a normal person and prepares to turn normal people into patients... Well, when this snake is about to implement the plan, he is pulled into a game with a fairy tale background by an SJ system. The goal is to assimilate the target of the strategy into a patient! But... These NPCs are even more swollen than him! ! ! Conception: