I'm Just a Tool [Quick Wear]

Li Yunhe got a job and had to work as a tool for the protagonists in various worlds. He is conscientious, appearing when the protagonists need them, disappearing when they are not needed, and never doing too little or too much. But every time the protagonists inexplicably rely on him, I don't know when I have imagined a love drama with a complete plot... In this regard, Mr. Li, who was deeply persecuted, said that he would not fall in love while working. Purpose: Cutting off one's own legs