|'O Ye Winds of Heaven "Ama Tsukase" (あまつかせ)|
|Season 1, Episode 1|
|Air date||July 8th, 2011|
''It is for Thy Sake''
O Ye Winds of Heaven is the first episode of the Blood-c anime series.
Saya Kisaragi is a cheerful, honest, and kind girl who trains as a Shrine Maiden under her father, Tadayoshi, spending her days quietly with her schoolmates. However, those outside her family are oblivious to her secret life as a mysterious swordswoman who makes use of a sacred sword to slay monsters who appeared nearby.