Is it reasonable for my scientist to build a plug-in?

As a genius scientist, Duanmuyan was selected by the world consciousness of the parallel world after his death, and got a second life. In exchange, he needs to help this world fight against the coming alien forces.This is a comprehensive daily world without any supernatural powers. In addition, there are also unemployed Saitama with still hair, a group of ghosts who can't breathe, and Gojo Satoru, an ordinary teacher who doesn't wear a blindfold... ...Faced with this completely immovable situation, Duanmuyan had no choice but to find another way...Therefore, under the witness of people, special photography heroes came into being one by one.There is a family who signed a contract with the devil and became the Shirogane family of Kamen Riders;Tanjiro Kamado, the famous novelist who pulled out the sword of fire;Chiku Ishigami, a genius physicist who bravely fights aliens;Kirito, a talented player who cleared the death game with one life;Later, there was an ultra-ancient warrior of light who recovered from the pyramid...A few years later, when the alien invaders came, looking at the Kamen Riders and the Warriors of Light, I couldn't help but fell into deep thought...