Due to her deteriorating health, Colonel Delion Walter was relieved from duty in Zone F013. During her journey to Zone F012, she met Rafael Yu, an Esper with the emotional maturity of no more than a five-year-old child. Little did she know that this encounter would eventually expose cracks in the dark secrets and intrigue threatening the region.
The tension trapped them both in a mutual emotional bond—torn between her loyalty to humanity and her personal feelings, between the interests of the world and her stakes.