I don't think she was running away in fear, because she wanted Emiel to chase after her. I think she was running away from the look she saw on his face, the shock, horror, and heartbreak. And she probably felt bad for watching.
yeah she probably felt like she did a bad thing by watching cs emel didn't wanna show that side of his to her so she is confused how to act i think she will probably apolegize the next time they meet cs she feels quitly.. i think~ヾ(╹∇╹)ノ...
I don't think she was running away in fear, because she wanted Emiel to chase after her. I think she was running away from the look she saw on his face, the shock, horror, and heartbreak. And she probably felt bad for watching.