Da Qin, Turned into a Young Dragon at the Beginning and Was Sacrificed to the Way of Heaven

[Great Qin + Shihuang + Time Travel + System + Cool Article + Not the Holy Mother + Funny + Invincible] Lin Yi was taking a history class. When the teacher talked about the birth of the Black Dragon of Great Qin, he suddenly felt dizzy. When he woke up, he found that he had traveled through time and became a dragon egg owned by Qin Shihuang! After that, Lin Yi not only transformed into a black dragon, but also became Qin Shihuang's teacher, giving Qin Shihuang the way to live forever! During the struggle for the throne between Fusu and Hu Hai, Lin Yi once again acted as a stir-up, not only changing the trajectory of history, but also making the Qin Dynasty last forever! Later, the spiritual energy revived, and Qin Shihuang became the master of all realms. Lin Yi also completed his mission and returned to the classroom. But one day, he discovered that his history teacher was Qin Shihuang!