ヒッキぃさん
A [[Nijiura Maids|Nijiura Maid]].  Her name comes from [[hikikomori]], the term for social recluses/shut-ins.

She has dull [[green hair]], [[glasses]], and a teal [[maid]] uniform.  She's often depicted with a [[sleepy|tired]] expression or [[eye circles|bags under her eyes]] and is portrayed as very [[messy]] (to the point her master is often drawn wearing a gas mask.)  She has a kansai dialect.
hikki