Asahi Kashiwagi's life as a high school student is turned upside down when he encounters five girls - Aoi Izumisawa, Bai Mongfa, Karin Istel, Amelia Irving, and Ilya Ilyukhin - on his way to school. An AI fortune teller had predicted their encounters, and to Asahi's surprise, each girl confesses her love to him by the end of the day. As it turns out, these girls are candidates to become his bride, invited by his father to live at their home.