Year: 20XX, the world was engulfed in the flames of nuclear fire. Grass and trees withered. The soil was nothing more than a wasteland... Kenpo lineage seemed extinct... And yet... it endured... And then, in this place... Inhabits the strongest kenpoist of them all. His name is the King of the Fist's Eye of Truth! (Source: Batoto)

4. KEN-OH! THE MOVIE

This one is a crossover with Fist of the Northstar. Chiyo has been kidnapped and it's up to her dad and Tadakichi (Raoh and Kenshiro) to rescue her. This is the order of the volumes: 2001: あずまんが拳王 壱 2002/4: あずまんが拳王 弐 2002/8: あずまんが拳王 参 2003/3: あずまんが拳王 四 2003/8: あずまんが拳王 業 2004: あずまんが拳王 総