The first chapter of Toaru Idol no Accelerator-sama was released on October 27, 2015 in Dengeki Daioh.
A new plan to attain SYSTEM has been formulated. By turning the Level 5 Espers in to Idols and using the fans devotion to reach level six.
- Kamijou Touma (flashback)
- Last Order
- Yoshikawa Kikyou
- Kakine Teitoku
- Misaka Mikoto
- Yomikawa Aiho
- Sister clones
- Estelle Rosenthal
- Touma's fight with Accelerator from the 3rd novel, which ended the Level 6 Shift Project, is referenced. It's end directly results in the Miracle Idolization Project.
- The man who approaches Accelerator for the Miracle Idolization Project is similar to the one that appeared in Accelerator's flashback in Railgun manga chapter 37 and is later adapted in the 13th episode of the Railgun S anime.