Kayo is plagued by psychic visions of a reviving Demon Beast that seeks to merge with her. With the help of Agent Ash and her sisters, Muneto must overcome his self-doubt and harness the power of Maitreya, fueled by his love for Kayo, to defeat the creature. Despite a hard-won victory and Ash's sacrifice, the battle concludes on a chilling note as Kayo remains trapped in a recurring nightmare.