It was a large open space, boundless darkness, without any lights. Not even a bird flew to the sky of the dungeon, not even a wild flower bloomed on the land of the dungeon. That is their final destination.
Ancient style love hurt + falling in love and killing each other + the moon is full of flowers [the vicious and unruly proud lady x the cynical and downtrodden little emperor's grandson]
When he encounters the daughter of his father's enemy by chance, he wants to complain with kindness and let go of the past, but what he gets in exchange is not the eldest lady's true love, but the eldest lady's complete disgust and hostility towards him.
His blood feud was awakened again, and he decided to kill her whole family in exchange for their lives. However, she flattered him and pretended to show her love to him, only to push him into the abyss again.
He was an orphan with a miserable fate, and she was a wealthy daughter. There was no love between them, but he saved her family from danger time and time again. Such repayment with kindness could not win her favor and love.