Maru has been tasked to find a place known as "Heaven" and is escorted by his "big sis" Kiruko Takehaya in a world where the Great Disaster occurred a number of years ago. Kiruko herself was trying to trace old acquaintances too. As they discover new clues and meet other survivors, they barely find any edible food in abandoned...

Saki Moromi was on a trip in Washington DC but while trying to throw coins into the fountain outside the White House, she almost gets questioned by the police nearby. Fortunately for her, a naked young man appears holding a gun and ends up being a distraction. Later Saki thanks him and offers her coat only to remember her passport was...

There are a number of serial killings by ruthless criminals who like to abuse and toy with their victims. As the Royal Investigation Service team try to hunt them down, they always find them brutally murdered with a sign "B" left behind. "Genie (German for 'genius')" Keith Flick who disappeared from the team long ago reappears...