KIM SOEKJIN He knew what is the definition of love but doesn't know how to commit himself in the form of love. KSJ -Is the reincarnation of Orpheus son of Apollo God of music and healing. Orpheus died and his soul vanish in the underworld and become a paragon because aside from having a blood of God and showed a genuine love with Eurydice whom he followed in the world of Hades and used his talent to enter after Eurydice died from stepping poisonous snake. Hades agreed but only if Orpheus would lead his bride to the world of the living without looking back to make she was following him. But he failed , she immediately taken back to the land of the dead for eternity. Down to the surface, he was followed by Althea who plead to become an Eros (cupid) to bow arrow his despair heart after Orpheus swear to never love again. His curse to himself affect the protection of Althea daughter of Aphrodite to the light in the Olympus swallowing by the darkness. Her mission in the surface as a cupid with only one and last arrow for Orpheus. While on mission, she found out that Soekjin as her suspect and she can't face each other even she is invisibly following him. She then realized her souls name it and thought to sacrifice her way of existence- just to finish her mission and go back to palace but their newfound feelings may get in the way of her mission.
5 parts