Shuta Aoi wanted to become a hero, but after a certain incident, he gave up that dream. One year later, that incident returns to haunt Shuta. In order to face his fears again, he needs to gather his two childhood friends together and reform the RGB. Given another chance, will Shuta be able to confront his despair?

Mari Sakuragi's family owns and operates the okonomiyaki restaurant in the Takara Shopping street. However, ever since the newly constructed Takara Mall was built, their business has been tough. The 24th Ward Gourmet Festival is just around the corner, and Mari wants to talk to RGB for some advise. However, the RGB boys have their minds already preoccupied with something else.