Haibane Renmei - Season 1 Episode 11 Parting / Darkness in the Heart / Irreplaceable Thing
Overview: Midori, from Abandoned Factory, gives more hints about Reki's past. The Communicator tells Rakka that while she had the birds to offer her forgiveness, Reki will not accept anyone's help, and has little time left. Rakka vows to try and help her. Visiting the library, she talks to Sumika about an old book. Resigned, Reki works on a secret painting.