NANBAKA

This is “Nanba Prison,” the large impregnable prison somewhere in the territorial waters of Japan. On this night, 4 inmates recklessly attempt to escape from the world’s best prison guards and security. Jyugo, who wears mysterious shackles. Uno, a self-proclaimed ladies’ man. Niko, an otaku who’s prone to illness.Rock, a foodie gang member. Can the inmates of Building 13, Cell 13 pass security and reach outside of prison in one piece?

The inmates in Cell 13; Jyugo, Uno, Niko, and Rock are spending their days escaping, creating mischief, gossiping, and sometimes, working. These troublemakers are giving a headache to supervisor of Bldg. 13, Hajime Sugoroku. Warden Hyakushiki has ordered Hajime to submit files regarding the 4 inmates. Hajime is then ordered to give a report about the 4 who are known as repeat offenders of jail-breaking. Afraid of losing his job due to the cover-up, Hajime does his best to create the new files...

Jyugo and the gang are killing time teasing the new guard, Seitarou. One day, a new inmate is sent to Cell 13. Inmate Number 99, Tsukumo. He looks and acts like a ninja! Uno, Niko, and Rock are excited to see the real thing. But as a Japanese, Jyugo does not believe him. To convince Jyugo that he’s a true ninja, Tsukumo challenges Jyugo to see who can escape from prison...

Nanba's New Year Joint Cooperation Tournament, aka New Year’s Tournament, begins by gathering the entire inmates. Jyugo and the others are enthused once they hear the winner gets to choose whatever he wants. However, all the matches are odd events relating to New Year’s. Can Building 13 win against the other inmates led by peculiar guards?

Jyugo and the gang are advancing through the New Year’s Tournament without a hitch. In the Hyakunin Isshu event, Uno wins against the Building 3 inmates, Trois and Honey. The 4th event is a physical match revolved around a spinning top, but Niko unintentionally enters the match. The opponent is Upa, a kung-fu expert from Building 5. Does Niko, the otaku, have any chance of winning?!

Cell 13 has advanced their way to the final event of the New Year’s Tournament. Jyugo and Hajime are battling against the Building 4 supervisor, Kenshirou Yozakura, and an inmate named Musashi. Jyugo is surprised to see Musashi again. Musashi, in search for the “man with the scar on his neck,” attacks Jyugo mercilessly. Soon as Jyugo hears about the man with the scar on his neck, something odd starts happening to his body.