Artist. Has a lot of collaboration works. Formerly tagged as d-tline.
Japanese name: γ³βγ¦ (Ko->U)
Other names: KOUε€ͺι or (γ½'Ο`)
Circle & site name: γ§γγΌγ¨γγγ (D-t[Line])
The other circle: Ultimate Night Knight (The other member: Noda Rejinu )