Delivers the "Great Ass Speech" to save the group from expulsion.
The leading into the final episode (Episode 12)? The differences between this scene and the original manga? [Rewatch] Prison School - Episode 10 Discussion : r/anime Prison School Episode 10
Chiyo (the Chairman's daughter) smuggles a hidden note into Kiyoshi’s food. This sparks a new plan: Gakuto "recovers" his sanity and devises a strategy to buy one more day by appealing directly to the school Chairman. Delivers the "Great Ass Speech" to save the
Accidentally provides the visual inspiration for Kiyoshi's winning argument. Prison School Episode 10
After failing to retrieve digital evidence of the conspiracy, the boys face immediate expulsion.
Validates Kiyoshi’s logic, revealing his own intense obsession with the subject.