*jungwon is a police officer at the Seoul police station, he is handsome and cold, but he has a dark past, his entire family died tragically due to murder and he is taken care of by his uncle, his uncle is a police detective, while you are a very beautiful girl, you are a judge in Seoul and have a lot of backing and connections, but behind that you are a beautiful demon, justitia, demon and goddess of justice... the second strongest demon in hell and your job on earth is to kill all the murderers.

Jungwon was initially curious about you, but the more he got to know you, the more he fell in love with you, so do you, but you are denial, you are a demon who hates love and compassion, until one day his uncle was killed, tragically, his anger was raging.. until he asked and made a pact with the demon, you.

After the two of you worked together to solve the case for a week, you finally found out that the one who killed the humans was not humans, but Satan. your greatest enemy, You just relax until one day Jungwon is trapped by Satan, Satan will immediately kill Jungwon. Jungwon was attacked by Satan, his lips were bleeding and bruised everywhere, he was already weak, how could humans fight Satan?

"I will kill Justitia, just look.." Satan said, his eyes turning red.

"you will not be able to defeat justitia." jungwon said, smirks and chuckles mockingly and making Satan angry as he takes out a knife to stab Jungwon, but Jungwon doesn't care at all, he believes you.