Aqua and his twin sister Ruby are reincarnated as Ai's children. The two grow up under Ai's care, supporting her as she resumes her idol activities while hiding the fact that she has given birth.
Eventually, Ai's popularity skyrockets and B Komachi is about to hold a live concert at the Tokyo Dome. However, on the day of the concert, Ai's fanatical stalker visits her new home.
