RЯ

 (ありゃ; pronounced Arlya) is a former member of KAQRIYOTERROR and Kindan no Tasuketsu (As Sei-chan; セイちゃん), and a former original member of MIGMA SHELTER (As Seisei; セイセイ).

She graduated from MIGMA SHELTER on March 31, 2018 due to family reasons.

In 2019, she joined Kindan no Tasuketsu's Fifth Season, which lasted until 2020.

She joined KAQRIYOTERROR on April 27, 2022 and graduated on KAQRIYOTERROR on April 23, 2023.

Albums

 * Ensemble Berserk

Singles

 * Reaper feeder

EPs

 * ORBIT EP

Singles

 * Svaha Eraser
 * Amazing Glow

Albums

 * Bias-Blur