Omega Sisters

The Omega Sisters(おめがシスターズ [Ω Sisters]) are a pair of twin female Japanese Virtual YouTubers, Rio (pink hair) and Ray (blue hair).

Introduction Video
The Twins' introduction.

Personality
Rio and Rei are friendly, cheerful and good singers.

Trivia

 * Their catchphrase is "omegatteru" - or roughly "are you omega-ing?"
 * They released the VtuberFighters video game, which features them and a host of other VTubers.
 * It has been noted that Rio has made her voice quite deeper over time.
 * On 21 September 2018, they removed 7 song covers that they had done due to possible copyright infringement:
 * Lion [#1Ω]
 * Sanbokzakura [#4Ω]
 * Connect [#5Ω]
 * only my railgun [#8Ω]
 * Sugar song to bitter step [#9Ω]
 * Silhouette [#13Ω]
 * Peace sign [#19Ω]