Unforgiven (許されざる者 Yurusarezaru mono) is the 31st chapter of the Prison School manga, serialised in Weekly Young Magazine on October 17rd, 2011, and published in tankobon format in Volume 4 on April 6th, 2012.


At the mess hall of the Prison Block, Gakuto denounces Mari's decision to expel Kiyoshi in an attempt to defend him. However, his efforts are to no avail as Shingo rejects Gakuto's plea & angrily tells him it Kiyoshi's fault. When Shingo's accuses Kiyoshi of having betrayed them, Jo and Andre agree. A suspicious Shingo goes on to accuse Gakuto of having assisted Kiyoshi in his escape, which Gakuto denies prior knowledge of. At the USC office, Mari decides to force Kiyoshi to fill an expulsion form despite Meiko's objections. Despite lacking the authority to expel him, she threatens Meiko to comply. At the girls' dorm, a hungry Chiyo finally gets up after Mayumi tries to talk to her. They go to the canteen together, where she tells Mayumi that she maybe assumed Kiyoshi's intentions as being perverted unfairily. When Chiyo states that there must be a reason why he stole her uniform, Chiyo then heard other schoolgirls conversing about Kiyoshi's imminent expulsion. After Meiko escorts Kiyoshi from solitary confinement, Mari decides to force Kiyoshi to fill a expulsion document as she don't have the authority to expel him.



Prison School by Akira Hiramoto
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Volume 2:
Volume 3:
Volume 4:
Volume 5:
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Volume 8:
Volume 9:
Volume 10:
Volume 11:
Volume 12:
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Volume 17:
Volume 18:
Volume 19:
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Volume 22:
Volume 23:
Not in Volumes:
Non-Canon Chapters
Fukukaichou Gambaru:
Anime Promotion:
Other Series:
Other Series:
  • Fukukaichou Gambaru
  • Agonashi Gen to Ore Monogatari
  • Me and The Devil Blues
  • Yarisugi Companion to Atashi Monogatari
  • Sono Tomodachi no Gimon Ari
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