Academy City Fireworks Festival

The Academy City Fireworks Festival is a festival occuring in the middle of summer, where Academy City displays various festivals for people to see. Like many festivals in Japan such as the Tanabata festival, women wear yukatas as per tradition, while men are allowed to wear more casual clothes. Like other festivals, there are various stalls that sell an assortment of items, such as food (like candy apples and octopus balls), masks amd other souvenirs; there are also stalls for games such as ball catching and ring tossing.

The main event however - is the fireworks displays, were it is customary to shout-out legendary firework merchants.

Poltergeist Arc

 * Main article:Poltergeist Arc

Haruue Erii sees a small advertisement of the festival after bumping into a glass window, seeing her curiosity, Misaka Mikoto, Saten Ruiko, Shirai Kuroko and Uiharu Kazari all decide that they want to go to the festival with her. After a mishap with Kazari and Erii's yukata, they finally arrive at the festival that is being held near a river. Here, they partake in various activities and eat a variety of food, and later see MAR on guard for another Poltergeist incident, as the event has gathered a sizable crowd.

They later go to higher ground to watch and enjoy the fireworks being displayed, Erii however - wonders off from them and at the same time a large scale poltergeist earthquake occurs in the area where they are. Erii and Kazari is nearly injured by a falling lightpost, if it not for the quick actions of Therestina, the commander of MAR. Despite the earthquake, the festival continued without much problems.