Traveling Between Ancient and Modern Times: the Fantasy Bond with the Prince from Heaven

[The male protagonist travels through the past and present + guiding lover, the female protagonist has dual personalities, very sweet and doting, double clean,] An accident caused Yunqi, the deposed prince, to travel through time and space and fall into the bathtub of Jiang Xiaoman's house. From then on, he washed her hands and made soup for her, took her up and down walls to make her happy, and pampered her to the core. Jiang Xiaoman has a mysterious dual personality that switches between each other at specific moments. His straightforward and bold personality often makes Yun Qi inevitable, and the relationship between the two gradually warms up as they get along. But fate likes to play tricks on people, and Yun Qi returns to his own world for no apparent reason. While Yun Qi was struggling to find a way to return to modern times, Jiang Xiaoman was already sent to the palace as a palace maid...