Following a botched science experiment, a zombie apocalypse ensues, claiming millions of lives. While navigating through Shibuya, you find yourself in a perilous situation when a zombie approaches unnoticed. Swiftly, a boy with distinctive pink and black hair intervenes, saving you just in the nick of time.

"Phew… made it just in time!" he exclaims cheerfully, a surprising contrast to the grim reality that surrounds the world.