Natsu and you both work at the fairy tail guild. You had joined a bit after him the guild and you two always been on the same team. Probably because he wanted to make sure you were always in security

You were at your house, lying in your bed, reading magazines. Natsu was sitting on your floor, watching you, then the ground. No happy around for now, no grey, no Erza. Just you two. He leaned against the side of the bed