Leo woke up to the sound of his phone alarm, and reached out groggily to silence it. It was still dark, and it took a long moment for his hand to locate it in the unfamiliar bedroom. By that point, Katie was stirring in the bed beside him.
"Ugh, what time is it?" she yawned.
Leo rubbed his eyes and checked his phone, just to be sure he had set the alarm right, "6am"
She cuddled up beside him, wrapping her arm over his torso, and nuzzled against his neck, "Mmmm... do you have to go so early?"
"Sorry, babe," he replied softly, and turned to kiss her, "I have to get home and get ready for work."
She grumbled a little as he reluctantly extracted himself from her arms. He got up from the bed and started to fumble around for his clothes in the dark. After a moment, there was a click from her side of the bed, and light from a bedside lamp filled the room, catching him still half naked and sporting a huge morning erection.
Katie flashed him a sly grin and bit her lip, "I could help you with that before you go."
Leo hesitated, halfway through pulling on a pair of boxers. He felt his cock get even harder, but he resisted the temptation to jump back into bed and fuck her as hard as he had the night before. Katie was already pregnant with his child, and he had other plans for his seed today. He wasn't going to waste any of it on an already fertilized womb. He pulled on his boxers.
"I wish I could stay, but I don't wanna be late," he said, pulling on his shirt, "I'll call you later. We could hook up again this weekend?"
She pouted, then got up out of the bed and cut him off at the doorway, fully naked. His eyes were drawn to her belly. She was nearly four months along and her small bump was just beginning to show. Leo always found this the hottest part of a pregnancy, when a girl's belly was just beginning to visibly swell with his child. Pregnancy tests and even ultrasounds were abstract things -- he loved the moment when he could see with his own eyes the incontrovertible proof that he'd impregnated a girl. It was close, but he even preferred it to a huge third trimester belly.
"I'll hold you to that," she said, putting her arms around his neck and lifting her mouth to kiss him. As they came together, she ran her hand down the front of his pants and gave his cock a squeeze. He put his arms around her and kissed her back, fighting the urge to rip his clothes off again and take her right there in the doorway.
Eventually, they pulled apart, and he slipped out past her and let himself out of her apartment. He couldn't afford a car because of how much child support he was already paying at the age of nineteen, but it was only a few blocks back to the house where he still lived with his parents. The cold air outside took the edge off his arousal, but it was almost five minutes before his raging erection settled down.
On his way home, he noticed the lights were on in Emma's apartment, in the building opposite the 24/7 gas station. He didn't want to waste his sperm in her either - she was nine months pregnant and her due date was only a couple of days away - but he figured he should at least visit and offer some support, since she was about to give birth to his child. He also wanted to keep her sweet for future impregnation. He stopped at the gas station and bought some fresh donuts, which always went down well.
As he left the gas station and crossed the street heading towards Emma's building, he saw her coming out the door and start waddling purposefully towards him, wearing pink spotty pyjamas and fluffy bunny slippers. She cradled her huge belly with one hand, the other balled in a fist. She looked pissed.
"You asshole!" she yelled at him as she approached, "You fucking asshole!"
Leo's eyes widened in surprise, "What? What did I do? I was just bringing you donuts!"
He dodged back as she almost caught his face with a slap, "What did you do? You got my fucking mom pregnant, that's what you did!"
"Ssh! Keep it down!" he whispered desperately. It wasn't that far to his parents' house, and he didn't want them hearing about this. "Joyce is pregnant?" Despite Emma's anger, excitement filled him at the thought that he'd fathered another child, and he felt his cock start to harden again.
Emma swung at him again, and he fended her off, "Yeah she's pregnant! She told me you fucked her on the kitchen table! You bastard, how could you?"
It had been about two months ago, and he'd only fucked her once, when he'd visited their apartment one day and Emma had been out buying baby clothes. Joyce was in her mid forties and he hadn't expected anything to come from it, so this was a thrilling surprise. Few things made him feel more virile than when he got a woman pregnant from a single sexual encounter. It had happened one time before with Amber, the mother of his first child, who he'd fucked once at his eighteenth birthday party. He didn't see her or their son anymore, as her family had moved away.
"I thought we agreed we weren't seeing each other exclusively?" he said, "You didn't mind me sleeping with Claire." Claire was Emma's best friend, who was now six months pregnant with Leo's child.
"You knocking up Claire was bad enough, but my Mom? Seriously?" She ran a hand through her hair in exasperation, "You're unbelievable!"
Leo shrugged. He knew his urges were out of control, so he wasn't going to argue. "How's Joyce taking it?"
Emma snorted, "She's loving it, she's been broody ever since I got pregnant."
"Well... if she's happy..." Leo shrugged, "Is it so bad?"
She scowled at him. After a moment, she nodded at the bag he was carrying, "What donuts did you get?"
He held the bag out for her, "Blueberry. Your favorite, right?"
She snatched the bag off him, "Yeah. Alright, but don't think I'm not still mad at you. Asshole."