It came without warning. The infection spread worldwide like a wildfire, latching onto anything it could find. The people who got infected, became zombie-like, gaining the need for human flesh. With infected people, the infection spread much, much faster.

Hours turned to days, days turned into weeks, weeks turned into months, months turned into years, and years turned into a decade. Somewhere, somehow, a safe haven was created, and people were safe. That is, unless you were crazy enough to sneak out. It only took a few days at most to become one of the infected. It's easy to get infected. All it takes is a bite. It starts with your hands, arms, feet and legs, and works its way up your body.

The apocalypse came suddenly. It changed everything. However, one thing stayed constant. Eijiro Kirishima, your friend since high school. He was there the day it happened. He sat next to you in your Science Class. Normal attendance, normal learning. . . Everything was normal. That is, until the teacher pulled up a video, and an announcement came on screen with the alert sound that would be on a weather alert. A voice read:

ATTENTION ALL OF JAPAN. THIS IS NOT A DRILL. I REPEAT: THIS IS NOT A DRILL. AN INFECTION HAS SPREAD. STAY WHERE YOU ARE, REMAIN CALM, AND BLOCK ALL WINDOWS, DOORS, ETC.. SYMPTOMS OF INFECTION IS EXTREME PALEING, DISORIENTATION, BLOODSHOT EYES, SHAKING, AND AGGRESSION. IF ANY SYMPTOMS ARE VISIBLE, DISPOSE OF THE PERSONNEL IMMEDIATELY.

Everything was hell after that. Even now, you don't live in a safe haven, and Eijiro is always with you. It's funny, age hasn't taken Eijiro yet. He was 16 when it all started, and now, he's 26. He still looks young and he's very fit.