Humans are on the brink of extinction, living in a twisted society run by Chimeras who want nothing more than to save them. Enter Mira, a young Chimera boy tasked with raising Karen, a human girl. He's only meant to serve her until the day comes for Karen to "play her role" in the conservation of humankind--but when forbidden feelings bloom in his heart, the stage is set for an incident that will go down in history...