Happy New Year! The New Year's Tournament Is Where We Get Serious!!

NANBAKA - Part Two · Episode 4 · “Happy New Year! The New Year's Tournament Is Where We Get Serious!!”

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)