Nothing more then friends

Her brown hair flowed to the ground as if she was moving in slow motion. She stabbed the walker on top of her and jumped to her feet killing another. The hoard was trying to surround her. She kept killing though, she had been killing for thirty minutes straight now none stop. There was about twenty left but she was alone and cornered. She stabbed fasted and broke through finishing off the hoard. Then a boy approached her she went to stab him but stopped lowering her knife. "Sorry." She said and turned to walk away. He let her go. She didn't see the boy again.