Inception (インセプション Insepushon) is the 163th chapter of the Prison School manga, serialised in Weekly Young Magazine on January 5th, 2015 and published in tankobon format in Volume 17 on June 5th, 2015.


Mari is lying on Kate. She tells her that Underwear inside the box had the same scent that her while sniffing her. Kate claim "vaguement" that Mari's previous claim is false, beginning to cry and states that the Mari she know who never someone as poor as her; a shabby girl. Mari responds that she is what she is, while changing positions with Kate in the process and asking her to lick where she bit as she reveals her chest. She agreed to do so after Mari told her that none is watching and that it may be a dream that lasts one night where they can become one. In the process, Mari states that they finally become one.

When Risa attempts entry to the boys' dorm room once more, Joe leaves by hanging out of the window by rope. Though he intends to escape the beating, Jo involuntarily insults Risa which makes her more enraged. Risa finally manage to enter the room after "blasting" the door. As she was begin to raise her bat, she is knocking out incounsous after rolling over PBR.



  • The chapter title is a cultural reference to British science-fiction thriller film Inception.


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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