I Rejected the Princess and Changed the Tang Dynasty

A medical genius wakes in the Tang Dynasty as the heir of a family whose men died protecting the emperor. Rewarded with a noble title, he plans to enjoy an easy life—until an imperial decree orders him to marry the notoriously reckless Princess Gaoyang. Determined not to become history's most famous cuckold, he rushes to cancel the engagement, only for the furious princess to storm his estate first.