Chikage Deguchi, age 31, reverts her appearance back to age 15 to pursue love and success as an idol! 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 age 15. Chikage meets Tokita and her first love, Haru, for drinks. Tokita has been able to keep his feelings for Chikage a secret, but Haru isn’t fooled… 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 age 15. Chikage meets Tokita and her first love, Haru, for drinks. Tokita has been able to keep his feelings for Chikage a secret, but Haru isn’t fooled…