Changkyun wasn't really looking forward to the trip back home to Busan, but he wasn't exactly looking forward to the unpleasant surprise of a sudden outbreak in the train he, his brother Jeongin, his best friends Minhyuk and Jooheon, and Minhyuk's brother, Minho, were boarding on. With that said, he also didn't anticipate for the craziest game of surviving a zombie apocalypse with eleven other strangers.
Or; Sixteen of the hundred passengers on board the KTX 101 experience a wild and dangerous trip unlike any other. Together.
Time was reset. Everyone is here.
It doesn't feel real.
Or; when Sougo gets to relive the small moments he missed. And gets to experience more.