Fairy Tail

the classic lucy gets kicked out story and gets power boost.

Natsu the idiot decides after Lisanna (Lisanna isn't evil) came back
that he would -along with Erza and Gray- will kick lucy out of the team.
Lucy leaves the team and the guild. Eight others leave to follow after her.
They learn their dear Lucy is the queen of the dragons and has been,
since before she even joined the guild.
Lucy decides to train the eight others to become more powerful.
Dragon slayers
When asked by the dragons if she found a mate she said yes.
but she doesn't want to tell them who her mate is and won't tell him
in fear he won't except her.
read the story to find out more