A [[Melty Blood]] character. A [[demon girl|succubus]] with a [[cat]] form like her counterpart [[Len (tsukihime)|]], she is also her polar opposite in personality and appearance. 

She is the familiar of [[Aozaki Aoko]], [spoiler]who created her out of the remains of [[Wallachia]] after his death.[/spoiler] 

Within the [[M.U.G.E.N]] fanbase, she is popularly paired with [[The King of Fighters]] character [[K' (kof)|]].
白レン