Konshin (渾身 Konshin) is the 134th chapter of the Prison School manga, serialised in Weekly Young Magazine on April 21st, 2014 and published in tankobon format in Volume 14 on August 6th, 2014.


The boys understands that Chiyo is being bullied and rush to help her, as she seems to take off her skirt. The girls are briefly interrupted by the Mad Running Andre, before one of the girl remarks that Chiyo only tights her skirt : she slaps her, making the mistake to reveals she lies then she says her writs was break. Chiyo make a sumo move : She grabs the girl's panties with one of her hand in a sumo's way and project her away to the ground, knocking her out violently.
She then rush on the two attacking other girls. When they arrive, the boys saw that the three girls are on the ground and congratulate Chiyo. At the same time, Kate, looking at the scene, tells the Chairman that there is a serious issue.
Later, Kiyoshi finally manages to talk to Gakuto with the phone, but can't told him the message as the SG arrives and is forced to hide his phone, hides it in Mari's chest which probably results in a slap. Kate arrives and then announces to the prisoners that Meiko is being released, and that Chiyo will be a prisoner for "being guilty of injuring 3 upper classmen", as per the Chairman's decision.



  • It is revealed that the girls bullying Chiyo are senior students, but their names are not mentioned.
  • It is also revealed in this chapter that Gakuto was a victim of bullying two years ago in winter.


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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