The Inmates Are Stupid! The Guards Are Kind of Stupid, Too!

NANBAKA - Part Two · Episode 2 · “The Inmates Are Stupid! The Guards Are Kind of Stupid, Too!”

The gang is back to their usual antics and things have returned to normal in Nanba prison. However, the status quo is upset when a former guard turned inmate enacts a plan of his own. (Source: Anime News Network)