2011 Kuraishi Yuu Inabe Kazu Action, Horror, Psychological, Shounen, Tragedy

Synopsis:
What can you do when you get mistaken for murder? Nothing. You go to prison. Lucky you, your inmates are some of the biggest cutthroats in the prison. Seriously you are lucky. Expecially when zombies attack.

Chapter 1

Instead of high school of the dead... it's high school aged prison of the dead... sadly with much less boobs.