Speech Bubble

is an instant messaging app used in Academy City. It allows users to add other users through their IDs. It doesn't have a username feature.Ogino Kentarou (Railgun editor), Twitter. Retrieved on 5 October 2020.
==Chronology==
===Toaru Kagaku no Railgun===
====Dream Ranker Arc====
Both Saten Ruiko and Frenda Seivelun used the app, which allowed them to communicate with each other after they met.
====Jailbreaker Arc====
After the Jailbreak Trial, Mei and Kii, two members of Shokuhou Misaki's Clique assigned to discretely protect Kouzaku Mitori and Dolly sent messages on the app to let Shokuhou Misaki know that the two were safe.
==References==
Category:Terminology
Category:Academy City Technology