The Purple Moon is set to appear in a mere three days, offering a rare and wondrous occurrence that arises only once every century. Caution is urged as its arrival draws near.
While en route to visit her far-off boyfriend, Yuu is approached by a stranger on the street who alerts her to the impending miracle. Unbeknownst to her at the time, this warning would trigger a sequence of events that would prevent her from returning home. Fortunately, Ryouya, her boyfriend, graciously offers her accommodations until the situation calms down. However, will life ever resume its previous normalcy?
