Agetarō works in his family's tonkatsu restaurant, but he doesn't love his job too much. One day, when he delivered food to the staff of a nightclub, they let him in to enjoy the party. There he meets for the first time the invited DJ – Big Master Fly, and inspired by his creativity behind the DJ console, he realizes that there is not such a big difference between mastering the art of spinning records and mastering the art of flipping tonkatsu in a fryer...