In a world where powerful Spirits trigger spatial upheavals, the approach to handling them varies from deadly force to a more unusual tactic—provoking love and sealing their abilities. Join Shidou Itsuka and Ratatoskr as they pursue this unconventional mission of romancing and containing Spirits to prevent catastrophe. Yet, as they embark on their quest to woo more Spirits, a formidable new adversary emerges, complicating their already perilous journey.