Introduction: The four-eyed otaku with an LED light on his chest and a metal shell flying around the sky, wearing a masked tights, and a four-eyed otaku who swings in the high-rise buildings, in order to retrieve the broken-arm doctor who turned into a lizard. A bald doctor with four mechanical tentacles pretending to be an octopus with four mechanical tentacles on his back, a senior thief who can change the size of his body at will… I don’t know when, in the world where Kraft lives, there have been a large number of special groups that use science to become unscientific. The great writer Lu Xun once said: “The only thing that can defeat science is science.” So, Kraft Lee decided to devote himself to scientific research....