周防 ヒナ

Hina is Nanano's grandmother and Kazuhiko's grandmother-in-law. She took charge of Kazuhiko and Nanano and brought them up, but she died at age seventy-two last year. She worked at Kuroda Ryokan as a waitress during her lifetime.

From url=http://en.wikipedia.org/wiki/Hoshiuta#Supporting_characters.