It's been eight years since Shiota Nagisa last stepped foot in Japan. But when his job as an assassin brings him back to his home country, everything is not as it seems. When the job goes awry, can Class E reunite in time to save him?

He said nothing, tossing my bag into the corner of the room. I shook my hand gently out of his before settling onto the sofa. I curled myself up, resting in the corner by the armrest; my forehead on my knees, my arms wrapped tightly around myself. "So… You finally left?" He began quietly. An Inflatable-Lilo and Ouch-Thats-Hot collaboration. Karmagisa/Karunagi

The world ends and the clock ticks back. Four children and an AI are sent back to the start. This is their tale of struggles and discovering their true purpose in life, even if that purpose may be killing all those who ruined their old lives. (Spoilers up to 148)