In the Great Tang, I Choose a Faction from the Start

Li Mubai, a young man from a later era, transmigrates to the Tang Dynasty just as the Xuanwu Gate Incident breaks out! He awakens the God-Tier Three-Choice System!

Option One: Join Crown Prince Li Jiancheng and Prince of Qi Li Yuanji's faction. Receive three thousand Bingzhou Wolf Cavalry and the position of commander of the Changlin Army, a fourth-rank military officer!

Option Two: Join Prince of Qin Li Shimin's faction. Receive three thousand White Horse Volunteers and the position of military adviser to the Prince of Qin's residence, a third-rank military officer!

Option Three: Join the current emperor, Li Yuan. Receive three thousand Beiwei Guards and become Li Yuan's adopted son, the Supreme General of the Heavenly Strategy, head of all the generals!

Should he become a treacherous minister who usurps the throne and wields power over the entire court?

Or a loyal servant of the empire who expands its borders and helps build a golden age?

Or perhaps the eternal emperor who unifies all under heaven and reigns supreme?

Waiting for answers online. This is urgent!!!

This novel and its characters are entirely fictional. Any resemblance is purely coincidental. Do not imitate.