It's been two years since "The Wipeout" incident started. The Wipeout incident is a genocide made by organization "The Box" to banish the influence of "Ruler", an organization made to invade and take over the world. The world is more conducive now, but the genocide still goes on. Tania is a survivor of the Death or Favor game made by Marina, a "Ruler" member. Arga and Jonas are also the survivor. The three of them were the only survivors in the Death and Favor incident and after fighting and searching for help, they were all separated.

Tania: "How is the situation going?" Tania asks her subordinate. Man: "It's not going well, Ma'am! We need you here right away!" he said as he is shooting the enemies.