She is the unpopular daughter of an upright elder. He is the famous Lord of the First Palace.
She is a thief who is disliked by everyone in the world. He is a remnant of the divine world.
She appears to be well-behaved but is actually very ambitious. He is extremely talented but is willing to keep an empty palace.
Atypical kind-hearted female protagonist and genius male protagonist
"I consider you mine."
"I won't say I love you, but I will be with you every minute of my remaining life."
Concept: Two lonely people and everything you can think of about love.