Aishite AU (A BFB fanfiction) (CANCELLED)

(The name of this used to be Aishite Aishite Aishite but I wanted it to be shorter-) Pin used to live a normal life, having feelings for her best friend Coiny. One day she finds a small collar on the ground. The snake like collar lunges onto her locking itself tightly around her neck, telling her if she wants to live...