Came back with black technology

After mastering the core technology of the super-era in the interstellar era, Xie Qingyan wore it back again, and returned to the turning point of his life in high school.As a well-known second-generation dude who was adopted by relatives, had the lowest grades, was domineering, and did not listen to discipline, Xie Qingyan smiled lightly. ——Here we come, a technologically powerful nation to find out!As for face-slapping?Abuse?Xie Qingyan: Thank you for the invitation, people are in the laboratory, the dark lines have been laid, waiting for some people to reap the consequences.In this life, he not only changed his life, but also devoted himself to scientific research with black technology in hand, creating a new era for the world.Content tags: Strong Inspirational Life Sweet and Shuangwen┃ Search keywords: Protagonist: Xie Qingyan┃ Supporting role: