Yuko and Eri, ordinary girls, find themselves transported to a parallel world inhabited by miniature beings. Revered as the saviors of this realm, they embark on a quest alongside village warriors to uncover the secrets of their arrival and seek a way back home. Amidst an impending war, the girls become coveted pawns in a political power struggle, sought after by factions aiming to leverage their status as Great Protectors for their own agendas.