From daring prison escapes to the near destruction of their entire school, the boys of Hachimitsu Private Academy have been to hell and back countless times. Now, Kiyoshi is dead set on confessing his love for Chiyo, but one last gauntlet stands in his way. While he’s always thrived in times of crisis, has Kiyoshi finally gotten too big for his britches? It’s the wet and wild end of Prison School!