リリス・ザベリスク

Georik's little sister. She was beheaded in a witch hunt, but her head remained alive and now she is living hidden in the cellar.

"...is Georik's goth-loli little sister. A run-in with a mob of angry villagers has left her without the usual complement of limbs - indeed, without any of the body parts usually found below the neck - so she has to live in the basement and get corpse-pieces sewn onto her on a semi-regular basis."

Hirameki's Official Site (Website is via webarchive)