Did I Disappear

Bambi was the most unnoticed girl in school and was normally quiet
Alex was the most noticed boy in school and a super star basketball player
But when fate(math class) bring them together Alex notices more than a shy girl
But Alex's life makes everything difficult and Bambi can't take it.
One day after super embarrassment Bambi gets up and and walks away and doesn't come back but when she does know will not what hit them