Celestial whispers.

The tale when the heir of the Moon throne jeon Jungkook and heir of the sun throne Kim Taehyung have to go a journey together to sit on their respective throne.
The journey which was meant only to prove themselves worthy to the throne but had become something more to them. led them to something more, more to themselves and more to each other.
facing each problem, tackling them, they found themselves, found each other and found the nemesis of them, of Nymeria, will they be able to defy it or the whispers will come true that

"Moon is never meant for sun"
Or
"The eclipse never leads to good omen".

The tale when the sun meets the moon.
The trope people heard of is finally going to meet.