Kunio has to go see his master, Bunzo, because he is in some kind of trouble. Kunio's brother, Tsuu, tells him to wait. Right in front of the dojo, Kunio meets Asaji and Okoto. Apparently, Asaji and Okoto are fiances and Kunio appears to be jealous. Kunio enters Bunzo's Dojo. Tora, a local ruffian, has cursed Bunzo! To get rid of the curse, he needs some Kanpou. So begins Kunio's quest! Assemble everyone! It's time for a story!

The game was originally released as Downtown Special: Kunio-kun no Jidaigeki Dayo Zenin Shuugou!, but has since been localized as Downtown Special Kunio-kun's Historical Period Drama!