Schwarz Stein is a Japanese electronic project founded by Kaya (vocals) and Hora (keyboard & synth). Following a 10 year split, the band have reunited. Formed as Rudolf Steiner in 2001 in Japan. Signed with former Malice Mizer's Mana label, Midi:Nette, and became Schwarz Stein (Black Stone in broken german) in 2002. 2 Feb 2004, two weeks before the release of Artificial Hallucination, they announced their split-up. At 'Midi:Nette presents Dis Inferno vol. III', 15 Dec 2004, Schwarz Stein performed once more along with Moi dix Mois.