Akira is a main protagonist of ~Promise~. She is the only true angel seen thoughout the series and the only character who died and went to heaven.
Akira was born into the Mori clan and was raised by her mother and grandmother (her father died in battle when she was a child). She was raised to be the perfect lady, but instead she took up archery and combat. She became known as the "Red Haired Slayer" and dedicated her life to protecting the youth from demons.
One day she heard rumor of a Demon boy