Datang: the Beginning Became Li Shimin's System

My name is Lin Qing, I traveled through time and became a system, and my host is Li Er and Li Shimin. Li Er, become the universal tool man of this system! Start with the Xuanwumen Incident! "Li Er, kill your brother and depose your father, and you will be the emperor!" "Li Er, destroy the small Turks, and then attack the big Turks!" "Li Er, the earth is round, send the fleet to circle around!" "Li Er, the stars and the sea are above your head, conquer!" "Li Er, all the worlds in the world have been opened, and the emperor will conquer them himself!" Li Shimin: "System Immortal, I understand everything, why do you always stare at my daughter!" This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.