A Certain Band's Sports Festival☆/Event Story

Trivia

 * As this event is a collaboration between BanG Dream! Girls Band Party and Toaru Kagaku no Railgun T, there are numerous references to Toaru Kagaku no Railgun in the event story and card stories. They include:
 * The event story takes place during a joint sports festival between different high schools, identically to the Daihasei Festival Arc.
 * The joint sports festival committee Poppin'Party joins is similar to the.
 * Tae mentions that she and Rimi gained a "serious " while practicing for the three-legged race. In the Toaru series' universe, Level refers to a person's esper level, with 0 being the lowest, and 5 being the highest.
 * Kasumi helps out a girl who approaches her, Arisa and Saaya and asks them to help her find a frog badge, saying it is important to her because it was the first gift her "sister" gave to her. They later proceed to see a multiple times afterwards.
 * In Arisa's Card Story, Rimi and Tae mention running into who "looked exactly like Arisa from behind, had twin tails, referred to someone from her school as her onee-sama, and had a quirky way of ending her sentences." Arisa then proceeds to imagine a scene where she is the girl and Kasumi is her . Further references to Kuroko appear in the event story, where Kasumi asks if Arisa couldn't just teleport the two of them and Mashiro and Tsukushi across the festival grounds.
 * In Rimi's Card Story, Saaya and Rimi are going through the lost items in the Sports Festival's committee room. They end up finding a, a , , and a.