Download or read book Prison School, Vol. 13 written by Akira Hiramoto and published by Yen Press LLC. This book was released on 2019-01-29 with total page 196 pages. Available in PDF, EPUB and Kindle. Book excerpt: Shoulder Wars has taken a turn for the extreme as the Chairman's helicopter is about to crash into the academy! Time is of the essence, but who will survive?! It's the conclusion to the Sports Festival arc!