Jun'ya Ôishi

Problems with the neighborhood? Grandmother Yang and her two slightly mentally challenged grandchildren solve them in their very own way. Her neighbor Kazuya not only has to take care of the clan's legacy, but also his disabled sister, and all of them have to deal with the Sea Snakes gang who wants to compete with the Yang family.

After quitting his job, Oishi forms a vigilante group with his bad friend Ogita out of his good intentions and urge to do something for others and be recognized by others for the rest of his life. Oishi and his friends mete out radical justice to shoplifters, but what awaits them is revenge from a motorcycle gang.