Füka Miyazawa retires from her job as an idol, leaving her dreams and aspirations behind after bidding farewell to her junior, Ruka, and wishing her luck. She gets a call from her mother, who wants to throw her a cheer up party, but Füka doesn't like this idea, and escapes to Okinawa. When she arrives, she visits a fortune teller, who tells her to head towards Sagittarius, which shows up around sunset. Once there, she sleeps the night at a beach and wakes up without her hat, and disoriented