Destiny (Fairy Tail Fanfic)

Mavis had a younger sister, who died. She sent her child, who'd been named after Mavis, to Fairy Tail to become a powerful mage, and have a family, but she was sent to a dragon, Melody, first. She is sent to Tenrou Island, to become an S-class wizard, but there she meets a certain black wizard.
Trigger warning: This book contains depression. Be warned!