PTSD from the Fifth and a Half Floor

Carkent: You set out a mission and lost the captain?Aijie: I'm not sick... Aijie was trapped in the ptsd six years ago, who is going to save him?What kind of past?Six years ago, two policemen suppressed the zombies in a building. Who saved them?What kind of unknown experiences and pains did the people who rescued them have?Why did the building suddenly have an extra half floor?Is it the fall of society, or the loss of humanity? (cough) ┃ Search keywords: Protagonist: Ijie, Carkent ┃ Supporting role: Thomas