Worlds collide

worlds collide is the second opening theme of Toaru Majutsu no Index: Imaginary Fest, sung by fripSide. The opening theme is streamed during the 2nd anniversary live stream for Toaru Majutsu no Index: Imaginary Fest on June 28th 2021. The song is later included in fripSide's seventh album infinite synthesis 6, released on March 23rd 2022.

Characters
By order of appearance:
 * Kamijou Touma
 * Accelerator
 * Index
 * Misaka Mikoto
 * Saten Ruiko
 * Uiharu Kazari
 * Shirai Kuroko
 * Shokuhou Misaki
 * Hokaze Junko
 * Last Order
 * Itsuwa
 * Kanzaki Kaori
 * Tsuchimikado Motoharu
 * Stiyl Magnus
 * Mugino Shizuri
 * Kinuhata Saiai
 * Frenda Seivelun
 * Takitsubo Rikou
 * Hamazura Shiage
 * Fiamma of the Right
 * Aiwass
 * Sisters
 * Kakine Teitoku
 * Leivinia Birdway
 * Othinus
 * Sogiita Gunha