In a zombie-infested world, one undead gamer clings to his love for first-person shooters. Before the outbreak, he was a dedicated gamer. Now, he uses gaming as an escape from his hunger and regret. Brainzzz ate his friends' brains during the outbreak, and gaming serves as a bittersweet reminder of his past. He silently vows to make amends while navigating this bizarre, pixelated, post-apocalyptic existence.