I, the Ancestor of Immortal Qin, Have Signed for Three Hundred Years!

Ying Si traveled through time and became an immortal. The nine sons of the Qin Empire, who were not taken seriously, thought that they would spend their whole lives in waste, but they did not expect that the sign-in system was activated. If you sign in anywhere, you have a chance to get rewards. Sign in next to the dragon chair and get the Nine Yang Magic Skill as a reward. Sign in in the library and receive the Emperor's Qi Watching Technique as a reward. Sign in in the harem and get the Asura Sword Technique as a reward. With the idea that he would not go out until he was invincible, Ying Si signed in the library for three hundred years. Until three hundred years later, the prodigal emperor of the Xian Qin Empire had used up all the foundation of Xian Qin, and the storm was raging. The Xian Qin Empire was in danger, and Ying Si had to take action... This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.