Two pop idol Ai fans are reincarnated as her "secret" baby twins, Aqua and Ruby, and grow up supporting her until the tragic day she is stabbed by a stalker. Flash forward a few years later and Aqua and Ruby are high school students determined to make it on their own in the cutthroat world of entertainment for personal reasons.
Yuko Morimiya is a high school student and she lives with her stepfather Morimiya. Morimiya is her third father. Her mother, Rika, is a free spirited person and has remarried several times. She disappeared from Yuko's life at a certain point. Even though Yuko and her stepfather are not blood related, she is fully loved by him.
Sugimoto Taeko moves in with her daughter Natsuki and granddaughter Mizuki. They begin a lively life together. In the midst of it all, Taeko sees her former self in Mizuki. The bitter taste of the first pineapple she ever ate, the disastrous score on a math test, the awakening of her acting spirit at a school performance. As Taeko recalls her elementary school days, she unleashes a dream that she had long given up on and sealed away. 'I'm going to be on stage!' Taeko immediately auditions and devotes herself to rehearsing for a Shakespeare play. But just then, the theatre where she was going to perform goes bankrupt, and she is forced to give up on her dream again!