El, please don't spice up food you are not going to eat yourself. That goes for you too, Kawakami.
Stop goofing off, Taiki.
Scarlet, Vodka, would you two please stop arguing and work on what you have to do?

More mobs serving up the food.
Flash working with BNW.
More Cinderella Gray cameos, with the overseas group in the back.
Local tree stump gremlin God Hannibal wants to capture what seems to be a borrowed character.
The rest of the Mejiro household enters the festival grounds, including the maid, the butler and the family doctor (ready to terrorize Teio).
Fukukitaru and Doto are proselytizing.
Dodgeball with horse girls was always known to be dangerous, a stray dodgeball is flying off the building.
Kiryuuin T and KOPPERION T are working with Meek and Curren Chan as backstage staff.
Machitan and Nature are cheerleaders. Danpey's "Taabo yarumon!" is constantly reminding us that she can also do it.
Akitsu Teio is with a stange version of her daughter: Metako's Haru Urara.
Tarumae has been tempered with science to become Gomasamune's Tarumae-like creature and fight Tachyon's Kii-kun.
Suzuka is still Nato's UMA.

Don't forget about mochi_mayushi's OC uma maintaining traffic safety (while gotou_kiichi is slacking off taking a break), which may or may not be foreshadowing her future career

Edit: also I just realized the chef behind Machitan is the kitchen staff in CinGrey who was able to keep up with Oguri's appetite