To gain more members and legitimacy, the Game Creation Club (Provisional) participates in the festival’s main attractions. Roka, Chitose, Sakura, and Minami use their "elemental" powers (Fire, Earth, Water, and Lightning) to intimidate and outmanoeuvre other students.

Based on the title, it looks like you’re looking for a recap or a "what to expect" guide for of the anime D-Frag! , titled "Fujou Academy Freedom Festival, AKA Fu-Fes."

We get more insight into the student council's perspective and the rivalries between the "Provisional" club and the "Official" Game Creation Club.