Historia
“I'm addicted to dopamine.” In my life, which is already steeped in dopamine, an event occurs that triggers a massive dopamine rush. At a convenience store I happened to stop by, I got a headshot from the clerk, and found myself transported along with other players into the hellishly difficult game [Apocalypse: Safe Zone]… And I am the only veteran player who has seen every ending, including the hidden zone, in this game.
Sinopsis vía AniList (en inglés).