Xu Qin: I Just Want to Go Home, but I Became the Grandson of the First Emperor

[I originally wanted to write it without a system, but in order to give the protagonist a reasonable explanation for his wisdom and martial prowess, I gave him one. I look exactly the same as the eldest grandson of Emperor Qin. He died and I came. Zhao Ji stepped on the ground in the Yellow Emperor's Mausoleum, and when he woke up he touched a body that was still warm. Bite! A cold voice sounded in his mind: [Emperor System Binding! The ultimate mission: unify the world and ascend to the throne. Completion reward: Send you home. Warm reminder: One year here, one day in my hometown. The moment he touched Ying Ji's body, countless memories poured into Zhao Ji's mind. Also activated at the same time is the [Personal Spectrum] that can penetrate people's hearts. Zhao Ji was stunned. If you want to go home, you have to become an emperor first? Looking at the lonely [Ying Ji: Fusu's eldest son] in the appraisal tree, the out-of-reach technology tree in the Baigong tree, and the empty god-summoning skill column. He took a deep breath and clenched the sword in his hand: "From today on, I am Gongsun Yingji. I want the dragon flag of Great Qin to fill every corner of this era." Must complete the task! Must go home! After all, he still has elderly parents at home, waiting for him.