My Little Exceed Lucy

What if Lucy was a little exceed and joined Fairy Tail? She still has celestial magic. She wants a partner but who? Natsu has Happy. Wendy has Carla, Gajeel has Pantherlily. Laxus doesn't want cat. So who will she end up the partner of. She can also turn human. She a geneius like first master mavis. What if her storm rises form deep within. Maybe NaLu, Mabe Happy x Lucy(Your choice