Great Tang: A Thousand-Year Surprise, I Found Princess Changle

The quiet life of Gu Qing, a young man living alone in the modern world, is completely upended by an unexpected encounter. A little girl in ancient clothing appears out of nowhere in his home, unconscious with a high fever. After taking her to a doctor, he learns to his astonishment that she is none other than Princess Li Lizhi, the legitimate daughter of Li Shimin and Empress Zhangsun. The ill-fated princess, whose early death has been mourned through the ages, has arrived in the present day. Unable to turn away, Gu Qing carefully looks after her, easing her illness and fears while searching for the mystery behind their journey across a thousand years of time.