How Long Will I Love U

Gu Xiaojiao, a young woman from the year 2018, and Lu Ming, a man hailing from 1999, find themselves in an unexpected situation when they awaken in the same bed, sharing the same point in time and space. To their astonishment, they discover that stepping through the bedroom door allows them to travel through time. The adventure kicks off as they begin plotting numerous alterations across these two distinct periods. Unbeknownst to them, however, their fate is controlled by an enigmatic figure.