I'm sure that pic is from episode 18, you ahould watch the animê is really good.
about anime: The story revolves around a young girl named Kyouko who went with her childhood friend, Shou, to Tokyo to pursue his dream of becoming an idol. Despite her supporting him, she overhears him dismissing her as a boring wallflower. Furious, Kyouko vows to get her revenge por defeating him in the entertainment world.
