Releases

Season 1
Dusk Maiden of Amnesia
Tasogare Otome x Amnesia
2012-04-09 to 2012-06-25
12 episodes (24 minutes)
Horror, Mystery, Romance, Supernatural
SILVER LINK.
OVA
Dusk Maiden of Amnesia: "Ghost Girl"
黄昏乙女×アムネジア 退魔乙女
Tasogare Otome x Amnesia: Taima Otome
2012-11-28
24 minutes
Horror, Mystery, Romance, Supernatural

Sources

Manga
黄昏乙女×アムネジア
Tasogare Otome x Amnesia
Maybe - Story & Art
2008-04-22 to 2013-09-21
54 Chapters
10 Volumes