The Shadow Fairy

When Cya first shows up at Fairy Tail in Gajeel's arms, everyone's excited about their new member. But not long after she joins the guild, trouble ensues and secrets are revealed. What will become of Fairy Tail's strongest team? What will happen between the new girl and the toughest guy in Fairy Tail? This'll include a few minor OC's and one major OC, but it mainly concentrates on