DDT Ryogoku After ~It's a Wonderful Battle~

A former American G.I. joins a yakuza family after his release from prison in post-World War II Osaka.

Sean and Billie are undercover cops and martial arts masters. Investigating the death of a cop, they uncover a deadly ring of murder and corruption at a glitzy nightclub, where the rich are entertained by seductive women and protected by martial arts experts. Billie goes undercover to infiltrate the crime ring, leading to an explosive finale.

In Los Angeles, an ex-con takes the underground fighting world by storm in his quest to fulfill a promise to a dead friend.

A man must survive a prison where hardened criminals battle to the death for the warden's entertainment.

Shinji and Masaru spend most of their school days harassing fellow classmates and playing pranks. They drop out and Shinji becomes a small-time boxer, while Masaru joins up with a local yakuza gang. However, the world is a tough place.