astraea (sora no otoshimono)

A character from the series Sora no Otoshimono. She's a type Delta angeloid (angel android) depicted with long blonde hair, red eyes, white angel wings, and an artificial set of head wings above her ears. She uses a sword and shield when in combat. She is also noted for her particularly huge breasts and her simple-minded nature, making her bigger than the mostly nicely endowed cast.