Prologue

When they were twelve her best friend Percy Jackson promised that he'd always be there for her. The next day he disappeared and was never seen again. What happens when four years later, she moves to New York and meets Percy Jackson once again. But something is different, HE is different. What happened that day when Percy disappeared? Read to find out. AU/No Gods.
*TRIGGER WARNINGS* Minor abuse, depression, suicidal tendencies, character death, blood, minor violence.