Academy City SNS Rondo Net

Academy City SNS Rondo Net (学園都市SNS ロンドネット), or Rondo Net (ロンドネット) for short, is a social networking site which appears in Toaru Majutsu to Kagaku no Ensemble.

Principles
Aside from allowing registered users to communicate with one another, Rondo Net can also be used for purchases and acquiring special coupons.

Silver Star Miracle
The Silver Star Miracle (シルバースターの奇跡) is an event that takes place on Rondo Net, ending with the appearance of a shooting star. The true purpose of the event is to allow Pantagruel to summon Aleister Crowley be he dead or alive.