To pursue missed chances at love and success, 31-year-old Chikage Deguchi takes an experimental drug that changes her appearance back to how she looked at 15. Chikage has debuted as the teenage idol Akari, but now she must compete with Yuko to have Hibiki produce her CD. Tokita, the only one who knows Chikage’s secret, continues to help her while trying to atone for the past…