Bone could be obtained from the Ghost Gathering Event.
Metallic pink anklets with small decorative chains.
Lower leg accessories made from a silver spine-like pieces with several bones wrapped around the side and back.
Bone is part of the story suit Miss Bone.
The other parts of this suit are Beauty, Bone Allure, Soul, Dark Crown, Bone Pendant, Soul Bone Dream, Bone Within, Flurried Soul, Beauty Village, Bone Grave, Prison of Life and Death and Bone Painting.