Artist, illustrator, mangaka.
Pen-name: 紫妲 γγγγ (Shidatsu Takayuki) (the artist usually uses this spelling: "Sidatu Takayuki") or γ·γγ (Shidatsu/Sidatsu)
The other name: NANACA
Circle name: KU-TEN (γγγ¦γ)
Site name: thousand night
Old site name: thousand-night