"So, in the end, this contract is about you helping me."
Ha-jin has endured relentless bullying since childhood just because of his homosexuality.
At a moment when he wanted to give up on life, fate brings him a second chance through the angel Kael, who appears as if by destiny. In exchange for getting rid of his stalker, Ha-jin agrees to an unfair(?) contract from the delinquent angel Kael, who demands his soul.
However, as time goes by, this angel... starts to soften?
A romance of mutual salvation between Kael, who was lonely without a place to rely on, and Ha-jin.