Ruellia has been played on NTS shows including The Athenian Marketplace , with 黒い華 first played on 8 April 2022.

Ruellia were a visual kei band active from 1999 to 2000.

Little information is known about Ruellia, however they seem to have been signed to Voiceless Records, whichi they might have been to only band on. The label were owned by their bassist Azumi. He, however, did have another label as well entitled GREAGOL, on which QROSS were signed.

The band then revived in 2014 and announced the release of a new single and album. They also opened a new OHP.

Member: Vo. イリア ～ Ruellia → kc+loid → カルア → ＤＵＨ → 緊縛少女 Gu. 焔 ～ Ruellia → kc+loid(Ba.) Gu. 翔霧 ～ Ruellia → kc+loid(刃霧) Ba. Azumi ～ CROW-SIS(Nopi) → D.I.S.C.(NAO) → Eye for you(安見 尚→AZUMI) → Ruellia → QROSS → Ｅｖｅ → Lanus Dune Dr. 猟奇 ～ Ruellia → THE ACTOR OF PARASITE → Allegory Pill(猟奇) → ＤＵＨ(Ryoki)

EX-Member: Gu. 糾 ～ Ruellia → Lanus Dune → Allegory Pill(糾) → ＤＵＨ(Azana) Gu. 哀綺 ～ 破裂の人形 → ロザリオ(Vo.) → Eye for you(Dr.AIKI) → Ruellia(Gt.哀綺) → De stijllia Gu. Tatsuya ～ ロザリオ → Ruellia Dr. 京也 ～ 破裂の人形 → dileis-lei → ロザリオ(Support) → THE CAT FOOD LOUNGE → ALIZMIR → Ruellia → De stijllia → カラス天狗