Artist.
Japanese name: θ‘θΆζ (reading is given as γγ‘γγγ, Kochouka. The artist uses this spelling: "kotyouka")
Old name: θ‘θΆθ± (Kochouka)
Site name: ι»ι½ι€¨ (kokuyoukan)
Circle name: η΅Άι γγγγεΈε½ (Zecchou Omorashi Teikoku)