Stream anime episodes online for free, Watch Darker Than Black Episode 15 English version online and free episodes. Anime Episode guide, Chapter Darker Than Black Episode 15 English dubbed Memories of Betrayal in an Amber Smile.. April spots Amber and Maki, two operatives of the Evening Primrose, and ends up in a non-fatal explosion. Meanwhile, a chain of bombings occur, the culprit being Maki, that allows the Evening Primrose to steal the Meteor Fragment. November 11, wanting revenge, chases down Amber. Hei, also wanting revenge, chases after her as well.