Before The Now

Antonio is a new kid. He is African, and he has a smooth accent.
Sloane is a new kid too. She is short, but she is more attracted to Antonio than a moth to the light.
But that changes in the now. In the now, she is no longer alive. Antonio is suffering in a chamber where he can't escape his unstable mind. And the before, well, it explains why, just why, Sloane killed herself