Artist, illustrator, mangaka.

Pen-name: 紫妲 たかゆき (Shidatsu Takayuki) (the artist usually uses this spelling: "Sidatu Takayuki") or シダツ (Shidatsu/Sidatsu)
The other name: NANACA
Circle name: KU-TEN (くうてん)
Site name: thousand night
Old site name: thousand-night
shidatsu takayuki