After discovering a peculiar fishing rod at his father's grave, elementary school student Totta decides to try it out, only to find that it catches "bar souls" directly from the barcodes of everyday objects around him! From ramen to drinks and candy, the Bakutsuri Bar Rod unveils a whole new realm of discovery and sport for the fishing enthusiast Totta. Armed with the rod and a new companion named Potepen, whom he fished out of his bag of potato chips, Totta sets off on a quest to catch the strongest bar souls possible.