Natsu xFem Reader

Warning- Will contain lemon in later chapters
Y/N has been a member of Fairy Tail since she was 6 and is Natsu's best friend. She is Gray's little sister also and rebellious. As times went by she started to fall in love with him. Her 15th birthday was coming up and that was the day she was going to confess her love to Natsu. While opening the guild's doors she saw something that made her heart break. She ran away the next day. A few years later she comes back... but something is off about her