Name: 蘭宮涼 (らみやりょう) (Ramiya Ryou)
Circle: 穿山甲 (Senzankou)
Female erotic artist, married to fellow erotic artist Utatane Hiroyuki. She's been around a long time, and has been known to hang around at GAINAX HQ cosplaying as a maid.
Her style started out very generic, then became very distinctive until she married Hiroyuke, and her style has evolved to look more like his.