In a vast galaxy, there are different realms with different creatures. Namely, Humans, Demons, Angels, beasts, or animals; Demons have always been considered the evilest creatures among them. To prove whether the statement is true or false, a Demon has been sent into the mortal realm disguised as a human. Though he couldn't survive in the human world for long as he was mercilessly murdered at a young age. However, he discovered his origin when he woke up once again in his original world, "The Demonic Realm". Only then did he realize that no other creature can be eviler than humans, who think they're angels but are precisely worse than demons. 8 years later, he returned to the human world. Now, the immensely powerful and ruthless Demon had embarked on the journey of revenge for him and his deceased family. Yet soon, things started to get complicated when the evil Demon, having a terrible amount of hatred for humans in his stone-cold heart found himself gradually becoming enamored of a Human. The last person he could expect to fall in love with. The feelings of both love and hatred are uncontrollable. However, it's necessary to choose one. A Demon, so merciless and evil. What would he prefer? Hate or Love? In the war of love and hatred, would he choose revenge over love? Or the love wins?