After waking up, the bustling dust has disappeared, and the modern engineering otaku actually came to Zhenguan Datang! As an engineering expert with martial arts, skills, ideals and culture, oh no, he is an engineering otaku, Li Zexuan just wants to be an otaku At home, holding my daughter-in-law in my arms, playing cards, sleeping and reading novels, living a leisurely life as a couple for the rest of my life, half drunk, half awake, half buoyant, teaching a few apprentices when I have nothing to do, and letting them go out instead of me. But... ...... Book friend group: 6 0 7 8 8 2 6 4 2 (seeking genuine subscription support, the author's typing hand is almost disabled...)