How Long Will I Love U (2018)

Gu Xiaojiao, a young girl from 2018 and Lu Ming, a man from 1999, discovers that they have both woken up in the same bed at the same space-time. More surprisingly, they realize that they can time travel through exiting the bedroom door. The fun begins when start to plan a lot of changes within these two eras. However, they do not know that their destiny is in the hands of a mysterious person.