Literary version:
A pair of twins, they have been the closest since birth, but they are also the most distant. Because they are like the branches and leaves of the other side of the flower, they are one body and cannot be seen.
Drama version:
Two artifacts that were made at the same time had different fates due to a strange combination of circumstances. One sacrificed(?) For the other. What will happen if they reunite thousands of years later? . . . . .
Exhaust version:
Hey, who the hell are you?
······Do you believe me when I say I don't know?
Don't believe it.
Then why are you asking me?
PS: Copywriting is unreliable