Overview
Inui-san (乾さん, Inui-san) is INU as a Nijiura Maid. INU became a maid in order to understand humans, becoming Inui-san. Inui-san lives with Kakkou as a maid. While INU was created with less of the dog features of Inu-T, as a maid Inui-san has regained some of the elements of Inu-T's design (but still without the dog features).
INU before becoming a Nijiura Maid.