Moment of Annihilation, Darkness of Extinction - S2.E7

Despite having been arrested by Haruna, along with Tomo and the others, Ania is kidnapped by Hiwako's masked henchwoman. Hiwako then offers to trade Ania for Tomo and the group decides it is the perfect opportunity to ambush her, with Susugihara's help. However, things go badly wrong when it is revealed that Hiwako, Touru and Tokiya have been working together behind the scenes and even the appearance of Naotaka is not enough to halt their plans.