[Dual System] + [Double Time Travel] + [Rebirth] + [History] + [Funny] Zhang Xiaoran, an ordinary student in the countryside, is ugly + works hard + has low scores. By chance, I got a treasure. He used this thing to counterattack and become a top student, entering the architecture department of a prestigious university, and after graduation, he worked on a construction site. But reality disappointed him. When I was feeling decadent and sinking, I thought of the treasure from many years ago and once again placed my high hopes on it. He never thought that he would lose his life due to an accident. The magical power brought him back to Qin State and became the official in charge of the prince's catering. By chance, his architectural talent was revealed and he was quickly promoted to be responsible for palace construction and military architecture. The proposal of the Seven Heroes vying for hegemony was adopted by King Yingzheng of Qin. He has made great achievements and gradually emerged. Magical and generous, defeating the enemy. Using architectural talent and the blessing of treasures, the plainness of history has been rewritten. Because he is envied by villains and hated by enemies, he plots and plots, and shoots him with both open and covert arrows. At the critical moment, the B-installation system was activated, resolving various difficulties and crises with an overwhelming advantage. Faced with the treacherous and dangerous situation of Bo Yun, Zhang Xiaoran remained calm and fearless. In the book, there are tears in the laughter, blood in the tears, dangers in the rivers and lakes, and great love in the midst of adversity...
