Two Types of Chemistry (Kevedd)

Kevin Barr, a die heart football player is failing chemistry and needs to get his grades up to stay on the team. His teacher suggests that he gets tutoring from Eddward Vincent, top of the class. Edd has a secret crush on Kevin whilst Kevin is developing, well he doesn't know what for Edd. Which type of chemistry will they really study?

Disclaimer: This is a boyxboy fan fiction, don't like don't read.
There will be smut later in the story.
Nathan Goldberg belongs to c2ndy2c1d and other characters belong to the creators of Ed, Edd, and Eddy.
The description of any parents of this story are my own and not copied from anyone else.