Nina Dolci, the mature muscle goddess, is back with more jerk-off instructions, this time with a cum countdown challenge. Her giant tits bounce as she counts down from 10, each number a command to stroke faster, harder. She watches, her eyes locked onto your throbbing cock, as you struggle to hold back. Her voice, a mix of encouragement and teasing, pushes you to the edge. But remember her rules - no cumming until she hits zero. Can you control your release under Nina's expert guidance? Let's find out.