Entrapment (エントラップメント Entorappumento) is the 121st chapter of the Prison School manga, serialised in Weekly Young Magazine on December 21st, 2013 and published in tankobon format in Volume 13 on May 2nd, 2014.


Kiyoshi and Mari find it difficulties to suck out the venom, so they change their position a little bit many time before finding the perfect one. They suck the venom from each other before Kiyoshi stop as he is a little bit hurt. Kate then realize she also got too much into it. After thinking about an escape plan, Kiyoshi and Mari the decide to rush to the door, Kiyoshi using the broom and Mari projecting hot water. Kiyoshi is nearly encircled by snakes when Risa open the door and states that the snakes are nothing more but rat snakes to their great surprises. Risa then informs Mari that Kate want to see her.



Prison School by Akira Hiramoto
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Non-Canon Chapters
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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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