Y/n is one of the leaders in the resistance, unaware they Kylo Ren is the boy she had started Jedi training with when she was younger. The boy that she had a romance with. Seeing darkness in him, Luke banished her from the island one early morning, the morning before he tried to kill Ben. Telling him that she had run away to the nearby island that he had warned about, getting killed. A few weeks later, A letter from Luke saying that Ben had died was sent to her. Shattering her heart as she recalled the promise he made her, when she had left the island. That he would find her.