Haibane Renmei - Season 1 Episode 8 The Bird
Overview: Rakka continues to hide her wings from the others. Reki helps her move Kuu's bed into her room and they talk about the wall around the town. They take the children to buy winter clothes and a human girl tries to touch Rakka's wings. She flees into the Western Woods, led by the crows, who take her to an old well where she learns about her cocoon dream.