
Reincarnated as pop idol Ai's children, hardcore fans Aqua and twin sister, Ruby, grow up basking in the love of their idol-mother and giving their full support to her as she resumes her idol activities while keeping her motherhood secret from the public.
Teenagers Aqua and Ruby attend a performing arts high school where they're reunited with "former child acting prodigy" Kana Arima. Aqua joins Kana in a TV drama to search for clues to Ai's murder. Meanwhile, Ruby's idol aspirations fail as Aqua subverts her auditions out of fear for her safety. But Ruby vows to be an idol just like her mom.