Hang Ah, the Moon's Child

Hang Ah, the Moon's Child summary:

Hang Ah was an incarnation of the moon.
She was the guardian of the palace since its founding, and her protection resulted in a thousand years of prosperity. But, after a thousand years, she disappeared. All kinds of disasters happened as if it was waiting for this moment of vulnerability. At the same time, a child considered as ‘The Second Hang Ah’ appeared. She wanted to go away believing all of this was a lie.
“The Hang Ah I know had beautiful hair resembling the moonlight… Just like you.”
‘I’m… Hang Ah? I can’t believe it…’