Marcus and Sarah had a secret weapon for their weekend excursions: high-potency, aphrodisiac-laced "sex chocolates." They had shared a few pieces just before leaving the house, the dark cocoa masking the chemical heat that was already beginning to simmer in their veins. By the time they boarded the crowded city bus to head back from the shopping district, the chocolate had hit its peak.

The bus was packed, filled with commuters and students, but they had managed to snag the very last bench in the back. The air was thick with the smell of diesel and damp clothes, but for Marcus and Sarah, the only thing that mattered was the electric tension snapping between them.