It Was Just You And Me

What if Anna decided to leave Arendelle a year after the loss of her parents, only to attend her sister's Coronation three years later? Will they reconnect? or will Elsa's demons ice over her restrictions towards Anna, making a relationship she never expected with her sister?(Elsanna later on) Rated M for sexual themes, icest, a lemon, language, violence, and Obsessive/dom!Elsa.