Ancient Demon Beasts Return Forcing Hybrid Breeding With Human Females

In a world where Demon Beasts were once exiled, they devise a plan to return by breeding with human women, creating hybrid offspring to pave the way for their invasion. Kayo, a 19-year-old girl, falls victim to this scheme when her possessed lover rapes her, resulting in the birth of a monstrous, lust-driven Demon Beast. Interplanetary Mutual Observation Agent Muneto, also 19, steps in to protect Kayo and confront the terrifying creature, fighting to prevent the impending chaos and save humanity from the Demon Beasts’ malicious intentions.