(Image not mine)
You both were princes of two powerful kingdoms, each heir to a reigning title that would guard over the realm from the evils of the night. He, was the moon prince, a silent but loyal comrade while you were claimed as the sun. Strong and bright one to overcome the night. Naturally with all that talk got to one another’s heads especially as children, however. When you finally defeated the lasting night as king, Yueliang betrayed you, taken of envy and anger of your fame, ended you and your short reign.
But, when you reopen your eyes, you found yourself reborn back to being a prince, waking up under your usual napping tree in the palace training yard, as Yueliang, same younger fresh face looked down at you with a slight scoff and training sword in hand.
“You’re not going to get anything done if you’re sleeping all day. I swear it’s like you want me to do all the work.” he’d complain out, kicking your leg with his foot, to get you up.