Immediately following the events of "Ikki tousen: Xtreme Xecutor", the kids from Nanyo Academy head to Kyoto for a school trip. Before long, they run into rival classmates from other Kanto schools and find themselves confronted by Kyoto's best fighters. It's a battle of epic proportions. Hopefully the city of Kyoto will be left standing!
While walking through the streets of Tokyo, Linn Suzuki comes across a strange device sticking up from the sidewalk. Suddenly, she is set upon by thugs and is helped by a beautiful stranger who takes them all down. It seems young Linn has fled Deep Kyoto from her cruel mistress and has traveled to Edo where she hopes to find her long lost brother, who was last seen working for the Kuon Detective Agency. By chance, this stranger happens to be Miho Kuon and lets Linn stay with her (nicknaming her Kotetsu, or Little Tetsu after her brother, Tetsujin). However, a mysterious agency called the Syndicate are after Miho and Linn is now in the thick of things.
Based on an autobiography by Hiroshi Tamura, the film follows story of the author's experience of homelessness when this father suddenly decides to abandon his family. Hiroshi and his older siblings do all what they can to withstand the trouble they encounter along their way.
