Dragons Rioting Vol. #09 Manga Review (Series Finale)
Rintaro and the other Dragons of Nangokuren fight to save their school! Saizo and his forces are in trouble, but desperation makes for a dangerous enemy. Can Asuna use her extensive training from Rintaro to overcome the final opponent? And could Rintaro finally learn the secret to vanquishing his greatest enemy-his lethal erection? It all ends here in this final volume of Dragons Rioting!
Source: fandompost.com