Dream of the Red Chamber: From the Start, I Sign In for Huo Qubing and the Great Snow Dragon Cavalry

Jia Xuan transmigrates into the world of Dream of the Red Chamber as a concubine-born son of the Rongguo Mansion. From the start, he's forced into a political marriage, then dies and activates the sign-in System. He gains Huo Qubing's unmatched military genius and three thousand Snowstorm Dragon Riders. When he proactively proposes border service to Jia Zheng in exchange for a chance to join the army, this son the family has cast aside will rewrite the fates of the Jia family and the Great Zhou in his own way.