Olivia had a sex ed exam coming up so she asked her stepbrother to explain sex to her. The guy went deep with his explanation which only confused Olivia more so she asked if she could teach her by doing. He was unsure at first but he couldn’t deny his stepsis was hot so he went for it. The lesson started with a demonstration of a penis. He pulled out the cock and showed it to his stepsister. She gasped as she stared at the size of it. “I’ve never seen a cock before, except of course in X rated stuff.” He let her touch it with her hand. She started touching it with her hand, and then she tried to lick it with her tongue. She felt the veins of his cock rubbing on her hand as she moved it. She saw the pleasure her hand gave as her stepbrother closed his eyes and moaned. Olivia leaned in closer and parted her lips slightly. She held the tip of his cock between his lips. Holding the head of his cock in her mouth she looked up at him. “Tighten your mouth on it baby. Don’t be afraid,” he continued to instruct. She felt him put his hands on the back of her head and move it to the rhythm of his pleasure. “Now I want to see your pussy. Spread your legs, I want to touch you,” her brother said. He lowered down to kiss her right there. Then he positioned himself between her legs. She looked into his eyes waiting for him to get ready to deflower her. She felt incredibly tight grasping his dick as he entered her virgin pussy. He pushed himself inside of her until he finally got all the way in. His cock felt amazing. She wrapped her legs around his waist and pulled him closer. His balls touched her asshole. He leaned down to kiss her hard. She moaned into his kiss as he began to thrust in and out of her faster and harder. He pushed himself in and out of her pussy until he couldn’t hold back anymore. His cock twitched and a shot of sperm squirted inside of his sister. Olivia felt her stepbrother’s warm cum begin to fill inside of her. It was amazing, nothing like she had imagined. She didn’t want him to stop. She straddled him with pure lust in her eyes. Watching her bounce on his huge manhood with joy gave him the strength to pummel her vigorously. The two switched from cowgirl to doggy. Once he felt her tighten again, he didn’t stop railing her until she had a loud, shaking orgasm.