"Who are you?" Was the first thing Tom said when Y/N opened the door. A large bag hung over his shoulder. She looked at him in confusion.

"You ring the doorbell of my house and ask who I am?" Y/N laughed. "I guess I should ask who you are."

"Your house. The house belongs to my mother and I wanted to visit her after I finished my shooting." Explained Tom as if it was a given.

"Oh! You must be Tom. Come on in." She stepped aside and let him into the house. He turned back to her and waited for an explanation. "Your mother and my father got married, and we moved in here."

"What?" Tom asked in shock, setting his bag on the floor. "I didn't even know my mother was seeing anyone."

"How could you? You guys rarely talk on the phone and it's not like we could send you the invitation." She shrugged her shoulders. "But I should introduce myself. I'm Y/N, your stepsister." Y/N smiled mischievously and stuck his hand out to him. Tom looked at her angrily, not at all pleased that she wanted to tease him.

"I have two sisters, I don't need a third sister, especially a five year old." Tom crossed his arms in front of his chest.

"I'm twenty-five years old." She explained before looking at him through her lashes. "If you don't want me to be your sister, who do you want me to be?" Y/N flirted, biting her lip. Tom's cock twitched in his pants, but he quickly reminded himself that she was his stepsister.

"Someone to be out of my way." He tried to say coolly. She shrugged her shoulders and headed for the stairs, Tom couldn't stop himself from looking at her butt as she walked away from him.

"Mom and Dad will be back soon, bro." Y/N stated and continued up to her room.

An hour later, Diana and Y/F/N had returned and the four of them were seated at the table. Tom gripped his fork tighter when he saw Y/N enter the dining room in a skimpy dress. She smiled warmly at Diana.

"I hope your trip was nice?" She asked kindly, helping Diana set the table.

"Yes, it was really great." Said Diana happily and began to rave about the trip. Tom, meanwhile, watched Y/N. She was trying to get a glass from one of the hanging cabinets and her dress was pulled up by it. Tom could see from where he was sitting that she was not wearing panties.

"I'll help Y/N." He smiled at Diana and her husband, who to Y/N's luck, were sitting with their backs to her. Tom entered the kitchen and pushed her against the countertop. She felt his hard cock against her back and moaned softly.

"What do you think you're doing?" He growled in her ear and put his hands on either side of her on the countertop.

"Try to get a glass." She said shortly and smiled.

Tom growled again and his hand went to her breast and kneaded it. Y/N rubbed her ass against his erection and his hand moved down under her dress.

"Is this what you wanted? To be fucked by your step brother while our parents are in the next room?" He ran his fingers over the wet lips of her pussy before pushing a finger inside her. Tom began thrusting his fingers hard into her and Y/N tried to hold back her moans.

"Do you need help?" Shouted Diana from her seat.

"No, we'll make dinner today and you sit tight." Tom called out before turning back to Y/N. He pulled his fingers out of her and licked them. She heard him open his pants quietly and felt his cock against her ass. He pulled them back a little before thrusting his cock hard into her pussy. Y/N bit down hard on her lip and held back a moan.

"Do you like it, sister? Getting fucked like a whore by your brother in the kitchen?" Tom whispered softly in her ear as he thrust hard into her and pulled her against his chest, his hand gently around her neck. Y/N moaned softly and Tom began to rub her clit. "Oh you like it?" Tom smiled mischievously and pushed against her G-spot. Finally Tom started pulsating in her pussy and Y/N's body started shaking uncontrollably. He held his hand in front of her mouth as she climaxed. Tom thrust into her pussy a few more times, prolonging her climax before filling her with his hot cum. He pulled out of her and his cum flowed down the inside of her thigh.

He quickly tucked his cock into his pants and closed them. He smiled sweetly and kissed his stepsister gently on her cheek. "See you in a bit, sis." Tom took the salad and left the kitchen while Y/N was still trying to catch her breath. A short time later, she followed him and put the other food on the table. Diana and Y/F/N started talking about their honeymoon and Tom's new movie. She tried to listen to the conversation when she suddenly felt Tom's hand on her thigh, her eyes widening. He pushed a finger into her pussy with ease.

Y/N coughed as he began to thrust into her.

"Y/N, are you okay?" Tom asked worriedly and Y/N gave him a dirty look before she nodded with a smile. Tom's thumb began to rub her clit. "Really? You're pretty red." He pulled his fingers out of her pussy and looked to her parents. "I think I should take Y/N out for some fresh air."

"Yes, Thomas." Agreed Diana, pleased at how concerned he was about her. He got up from the table and likewise helped Y/N off the table. Tom took both of their jackets and left the house with her.

"Get in the car!" He ordered as he led her to his Jaguar, a little down the street. Y/N got in without a word and Tom drove off. She wondered where he was driving her, but didn't dare say anything. Finally he stopped at the side of a deserted road. He unbuckled his seat belt and unzipped his pants.

Y/N was pulled onto his lap by him. He took his cock in his hand and guided it to her pussy. She was pushed down by him and felt by his cock. Y/N writhed against him and his arm wrapped around her waist. "You naughty girl. Seducing your step brother and not putting on panties, sister." He began to fuck her hard. "What would our parents say? I'm sure they would be disappointed."

"Oh God...Tom!." She moaned loudly as she rode his cock. His hand pulled down her dress and began sucking on her nipple. He thrust into her hard and fast. He rubbed her clit quickly and finally Y/N came again that night. Shortly after, Tom filled her with his cum again.

"So it was worth seducing your 'brother'?" Tom asked Y/N with a mischievous grin. She nodded and kissed him.