Artist for the Higurashi no Naku Koro ni Kai - Minagoroshi-hen manga and the Umineko no Naku Koro Ni Chiru - Dawn of the golden witch manga.

Wikipedia (Japanese): http://ja.wikipedia.org/wiki/桃山ひなせ

Pixiv account: http://www.pixiv.net/member.php?id=1547680