A thousand-year love from ancient times to the present!
In ancient times, a certain dynasty, now!
Due to time travel, the souls of the male and female protagonists are intertwined, and they become GB on the surface. In fact, they are normal BG in their hearts, and their bodies from other realms look like GL or BL. All in all, it's a time-travel love affair...!
But it will deeply portray the inner world of each character and the surrounding emotions.