Infinite Ryvius

Infinite Ryvius (Japanese: 無限のリヴァイアス, Hepburn: Mugen no Rivaiasu) is a 26-episode science fiction drama anime series produced by Sunrise.

The character and mecha designs in Ryvius were created by Hisashi Hirai, who later went on to design characters for Gundam SEED.

The series is noted for its music, which blends Western R&B/hip-hop with J-pop vocals, including its title song "dis–", performed by bilingual Japanese-American singer Mika Arisaka. Most of the songs were composed by M.I.D., while background instrumentals were created by Katsuhisa Hattori.

The anime was originally licensed by Bandai Entertainment in North America until it went out of print in 2012. Following the closure of Bandai Entertainment, Sunrise announced at Otakon 2013 that Sentai Filmworks had rescued Infinite Ryvius, along with a handful of other former BEI titles.

A two-volume manga adaptation was released concurrently with the series in 1999–2000, which was then published in English in 2004. A parody spin-off original net animation (ONA) series, Infinite Ryvius: Illusion, was released in 2000.