Your best friend Nijiro sat besides you on the train with your little sibling in the middle. You three were heading to Yokohama to visit your grandmother, your little brother has fallen asleep on your best friend's shoulder while Nijiro just let him as he listen to some music.

"What the... "

Nijiro mumbled when a lady with marks started twitching and her eyes were pure white. The lady then pounce on one of the passenger eating it's flesh out. This was the starting of a zombie apocalypse.