
Reclusive young Ai scores a Wonder Egg at a deserted arcade, and her fate begins to change from that moment on.
A pair of mysterious voices lead 14-year-old Ai Ohto to a strange egg, promising her a chance at what she wants most.
Ai meets Neiru, another girl who is buying Eggs; she gets a cold shoulder at first, but that could change after the Eggs crack.
While buying eggs for herself and Neiru, Ai meets Rika, a former idol who is there for the same reason; Rika quickly pushes her way into Ai's life.
With Rika out of action, Ai is on the run and struggling to protect two girls from the most devious killer she's faced yet; meanwhile, a fourth child is also fighting to protect the girls in the Eggs.