On the day of the 24th Ward Gourmet Festival, Mari and the RGB trio have done everything they can to prepare to for the competition, but they find out that a quasi-gang organization called Yabusame, has bought up all of the cabbage that they were planning to use for their okonomiyaki recipe. Mari and RGB are at a loss for what to do, but their former teacher Kaba finds some cabbage from a friend at the local shopping district. Will Mari be able to overcome her obstacles to win the grand prize? In this dire situation, RGB receives a call again from Asumi...!

Tsuzuragawa is in a coma in the hospital after being saved by Shuta. While tensions grow between DoRed and SARG, Ran investigates what Tsuzuragawa was up to at Cornucopia. Ran meets with his mentor 0th, and hears about his new plan. Meanwhile, during the commotion in Shantytown, Shuta is unsure what to do. At that moment, he sees Kozue being pursued by SARG and goes after them.