After hearing that his estranged father is in Kumamoto, Washichiro heads to Kyushu. Along the way, he picks up a runaway girl and his friend Kinta, who is also on a pre-marital trip to Kumamoto. Despite getting caught up in various disturbances, Washichiro manages to gather information about his father in Kumamoto. Set against the backdrop of Kumamoto and Aso, Washichiro makes a final, intense run...