Ang LEGENDARY DEVILS ay kwento ng tatlong kilalang demons sa mundo ng underworld. They were called LEGENDARY DEVILS because of their well-known skills and been the greatest demon of their time. But demons have only one rule: DO NOT FALL IN LOVE. Breaking the rule will make them automatic ascend. They will lose their power and can no longer curse too. They will also have the lifespan of a human. RENOWN: LEGENDARY DEVIL 1: DEMETINEIRRE—the grandson of Deumos and Balam. Deumos is a female demon with four horns and a crown. She was also known as the greatest spell caster in underworld. Balam is a terrible king with three heads and commands 40 legions. Demetineirre possessed an ill-tempered at grouchy attitude. But regardless of everything, he specialize every cursed known in their world. He was also trained to govern the 66th legion the king of underworld. LEGENDARY DEVIL 2: INCONNU—the wisest among three devils. He knew every technique. He thinks before he acts. He was the son of Berith, the great duke of hell who governs 26 legions. He appears as a red soldier on a red horse. LEGENDARY DEVIL 3: BALDASSARE—a skilled devil specialized in summoning evil spirits. He was the son of Asmodeus-the demon of wrath, banished by Raphael because of his evil deeds. Tumakas kasi ito noon sa underworld para maghanap ng aanakang babae. Nagtagumpay si Asmodeus at agad siyang ipinadala sa underworld para maitago sa mga anghel na gusto siyang patayin. Sa huli, nahuli ni Asmodeus ni Raphael at pinarusahan.
Nakaranas si Kaye ng mga patong-patong na kamalasan sa buhay, kaya ang naging solusyon niya, mag-summon ng anghel o demon. She believed in immortality, fountain of youth, demons, angels, vampires, and anything superstitious. Pero noong nagsa-summon na si Kaye, nanganib bigla ang buhay niya at aksidenteng iniligtas siya ng natawag na demon—si Demetineirre, ang demon leader ng 66th legion sa underworld!
Dahil kay Dem, nabawasan ang stress at lungkot ni Kaye sa buhay. Bigla tuloy may bumangon na mga emosyon sa kanyang puso. Bakit siya kinikilig, naaaliw, at natutuwa kay Dem?
He was demon!