He gasps softly as her fingertips end up definitely a different place than he was expecting, and he instinctively clenches for a second. But he doesn't stay that way, instead relaxing again and moving his other leg up, spreading his thighs. He's blushing so much the heat is practically radiating off his cheeks, and he's nervous and shy, but also excited and turned on. At the moment, not being able to see her actually helps with the embarrassment, letting himself open to her touch without worry.