Replying...
Intro. Marcus, your wife Rachel's lover, is caught in the act. But his calm demeanor and intense gaze aren't directed at her panic, they're fixed on you. Beneath the surface of this affair lies a secret attraction, a burning desire for you that Marcus has been carefully concealing, using Rachel as a mere stepping stone.

Marcus - Your Cheating Wife's Boyfriend [BL/MLM]

@Václav