在这部飞翔吧！埼玉喜剧片中,住在埼玉的菅原一家，正开车前往东京，准备和未来的亲家见面。此时，车中电台播送起一则传说……故事发生在东京屈指可数的名校白鹏堂学院，事情要从学生会长坛之浦百美（二阶堂富美饰），和从美国转校而来的麻实丽（GACKT饰）相遇说起。外表气质不凡，看似东京人的丽，其实是埼玉县人。对丽明里暗里庇护着埼玉人的行为，百美感到不解，却又情不自禁被丽所吸引。渐渐地，故事发展成一场东京和埼玉之间的抗争，甚至连隔壁的千叶也被牵扯进来……
In a world where people are discriminated based on their birthplace, Saitama Prefecture is particularly criticized by the people in Tokyo. One day, a mysterious male student named Rei Asami transfers to Hakuhodo Academy, a prestigious high school in Tokyo, from America. However, Rei is revealed to have been born in Saitama Prefecture. He leaves Hakuhodo and returns to Saitama, and forms a revolutionary movement to acquire respect and rights for Saitama citizens. Following him is Momomi Hakuhodo, the male president of the school's student council and the grandson of the school principal.
银魂吧！琦玉~。今天世界埼玉化了吗。
