The rumble of engines in Initial D's fifth stage takes on a new, carnal meaning as the team's pent-up lust explodes. A massive, throbbing dick, concealed beneath casual attire, ignites an insatiable hunger in the crew. They devour each other with reckless abandon, their moans echoing through the garage as they race towards orgasmic finish lines. The scent of sex mingles with the aroma of motor oil, leaving no doubt that this episode is about more than just horsepower.