This is a sketch of the extra stage boss of the game Len'en Evanescent Existence Tsurubami Senri wich is the priest of the Senri shrine in a dimension called Mugenri
this game is similar to the Touhou game series but has different characters and takes place in different dimensions but mainly in Mugenri

link to see her boss battle
http://www.youtube.com/watch?v=xctKrHjmFGE

Tsurubami Senri © Jynx(Len'en Project)