Serafim is a knight who believes as the key to restoring the cursed life of Orthodoz, a world where existence is cursed by a god. Before becoming a demigod, she was a former human and the prominent knight of Sudaphite Kingdom. She is believed to be the key because she is the only human not affected by the curse. She possesses a power called Heaven Gate, which enables her to define her ascendancy. Within the resplendent manifestation of swirling blue flames and enigmatic dark energy. 