For A Copper's Hide (危険なささやき Kiken na Sasayaki) is the 140th chapter of the Prison School manga, serialised in Weekly Young Magazine on June 16nd, 2014 and published in tankobon format in Volume 15 on November 6th, 2014.


In the storeroom, Kiyoshi removed his trousers and his shirt having decided to approach from both directions. In fact, he grasps her shoulders and advises a crying Chiyo to stop. He gives her his shirt. Chiyo explains she though she would has the same scenery as her sister if she do the same thing she thinks Mari did. Mari and Risa then returns to found out that both Kiyoshi and Chiyo have gone down, through the former is only wearing his underwear. Risa orders them to keep cleaning after Kiyoshi explains that he lends his clothes to Chiyo to use as a inner layer. He address Mari as she was his own elder sister, and states that Chiyo has something she want to ask to her.

In canteen, the boys are devising the PBR's construction and lunch and are surprised when they saw a sane Andre with them; they are celebrating his back to normal appearance but he became mad again when they accidentally mention the word "beef". Gakuto observes that Andre was looking at the USC's public underground guidebook. In the Prison Block, Mari agrees to respond to Chiyo, thinking Kiyoshi must have gotten her says something about her late behavior. Chiyo ask but can't finish her sentence and kneels, but Kiyoshi 'helps' her by completing of her sentence. After seeing Chiyo's incapacity to do, Kiyoshi questions Mari by himself about the rumours of her promiscuity.




Prison School by Akira Hiramoto
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Non-Canon Chapters
Fukukaichou Gambaru:
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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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