Dragon-Riding Immortal Husband

Cui Mu, a cultivator undergoing tribulation, is reborn as a fallen young master and forced to become the school beauty's bodyguard. Armed with supreme cultivation skills, he sweeps aside rivals and wealthy families, secretly healing patients with pills while hiding his identity. After a final showdown, he defeats the strongest villain. When Su Linyi discovers her savior is Cui Mu, she proposes, and the couple finally finds happiness.