For erotic fiction (no, i didn’t forget!), narration should be used to fill in the background, how our hero got to his current situation, and to describe the surroundings and (with similes and metaphors aplenty to give it impact) the lovers.
Nifty Erotic: How To Choose The Right One
For erotic fiction (no, i didn't forget!), narration should be used to fill in the background, how our hero got to his current situation, and...