Operation (オペレーション Operēshon) is the 34th chapter of the Prison School manga, serialised in Weekly Young Magazine on November 14th, 2011, and published in tankobon format in Volume 4 on April 6th, 2012.

Summary[edit | edit source]

While the male prisoners are eating breakfast in the cell corridor, Meiko enters the boys's bedroom cells to try to investigate their weakness according to Mari's orders. She discovers that Andre has a masochistic diary and Shingo is upset about the extension to his sentence. During a Japanese history lesson in the Prison Block, Shingo (and possibly Jo) threw eraser flecks at Kiyoshi until he tells them to stop. The next day during the prisoners' labour shift, Meiko assigns the boys to grouping themselves and completing maintenance of the athletics storeroom and the toilet near it. Shingo forces Gakuto to abandon Kiyoshi to his task of cleaning the toilets while they go to the athletics storeroom. At the toilets, Kiyoshi contemplates his treatment and realises that the other boys have begun to ostracise him. At the same time, Meiko reports her observations from the investigation to Mari who types "plan DTO" into her computer; naming the plan to expel the boys "Operation Boys Expulsion" (男子退学オペレーション Danshi Taigaku Operēshon?). However, Mari corrects herself a while later to "DTO" before Meiko is able to, as the phrase "Operation DTO" has double usage of the word 'operation'. The two remark that Hana is late. As Kiyoshi waits outside the toilet building for the person occupying the cubicle, he surprisingly met Hana who leaves the toilet building.

Characters[edit | edit source]

Navigation[edit | edit source]

Prison School by Akira Hiramoto
Volume 1:
Volume 2:
Volume 3:
Volume 4:
Volume 5:
Volume 6:
Volume 7:
Volume 8:
Volume 9:
Volume 10:
Volume 11:
Volume 12:
Volume 13:
Volume 14:
Volume 15:
Volume 16:
Volume 17:
Volume 18:
Volume 19:
Volume 20:
Volume 21:
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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