Justiceforthedesk Stories

In which a girl meets a boy who so happens to be her dead friend. Aria had grown up with Kazimir her whole life, but then one day they got into argument. After that, she stopped talking to him and never saw him again, until she found out he died. That was 10 years ago, but 5 years later, after his death, she sees him again, but this time, he looks different. Before she could get a good look he suddenly disappears. Present day, he appears once more to her. Will she be able to find out what he's doing here this time? Or will he disappear again? Original story (Cover is not mine, all credits go to owner)