Alfa

Alfa (アルファ) is a woman with very strong emotions and she is a glutton. Alfa is Ai's mother.

Background
Not much is known about how she became a grave keeper.

She fell in love with Hampnie sometime in past and stayed together with him for half an year. But she disappeared after most likely when she was pregnant with Ai. It is unknown why she left him.

Personality
She is bright and honest, but also stubborn.

Appearance
She has light-brown hair, black eyes, a well defined face and a flat chest.

Trivia

 * Her appearance matches with the description of a woman that Hampnie Hambert was looking for, Hana, implying they might be the same person. It is revealed later that they are the same person (Episode 3)
 * Her drama CD voice actress originally is Yūko Gotō. In the anime cast, Rina Satou replaced her since she is undergoing medical treatment.