Sinopsis
College girl Seraphina time-travels into a young serpent’s body. The Holy Light Empire sends her to the Shadow Realm as a humiliating bride to taunt Shadow Emperor Eldric. By accident, she bites him, forging a life-linked soul contract. She repeatedly aids Eldric out of deadly peril. After regaining past memories, she finds her fate stolen by Levia. The pair unite, gather all mortal power to seal the abyssal rift. Eldric publicly names her empress and holds a lavish wedding.