Mugen no Ryvius

is a Japanese light novel series written by Yosuke Kuroda, with illustrations by Hisashi Hirai. The series began publication on September 10, 2000 by ASCII Media Works under their Dengeki Bunko publishing imprint.

Synopsis
Year 2225. While spreading the territory throughout the solar system, humankind continued on the path of destruction due to the anomalous radiation phenomenon of solar flares, Gedult Phenomenon. Kouji Aiba, a mediocre boy who was trying to get a driver's license at the space station Ribe Delta to escape the shackles of the past, is suddenly involved in a disaster during his homecoming vacation. Panic, greed, violence. The thoughts of 487 boys and girls overlap, and one thought overflowing from them promotes the awakening of Sfix and moves the black revias, a submarine hidden in the Ribe Delta. But that was just the beginning of the tragedy they were about to experience.