AU. "Promise me…you won't forget me." She bit her lip when he pulled away, lifting one hand to cup her cheek. His handsome face was fierce when his eyes met hers. "I promise," he vowed gently. "I'll never forget you Lucy Heatifilia."As the sun began to set and the warmth faded with it, she pressed a hand to her mouth. I love you, Natsu. I will always love you.