The Scar of Memories

This is a story about a girl named Akyrie who has lost her memories. She has a scar on her back which she hides from people and it's the reason she doesn't swim. She keeps having these dreams about herself as a mermaid and a merman is with her in them. She lives with her father but also has a half brother. Everything began after the Wavecrest family moved to town are they connected to her past or to her future