Due to her parents' divorce, high school gyaru Himeno Yume is forced to leave the city and move to a remote island where her grandmother lives. While harboring anxiety about an unfamiliar life in the countryside, Yume suddenly remembers that the fortune she drew for the New Year was "Great Misfortune," and decides to visit the island's Nekome shrine. On her way back from offering a prayer, she follows a path pointed out by a shrine maiden, only to be suddenly ambushed by traps! Within the building she flees into, Yume encounters a "cat," and...

A story of a "shared life" begins from the meeting between a gyaru and a cat