Chapter Text
Undyne stared at the naked monster before her. The little girl was wounded and shivering badly as she stared in horror over the edge of the walkway above the CORE. Undyne’s first instinct was to take her to the hospital. Then she saw the scar on her belly. “For Sale”. Oh. She knew the hospital staff hated monsters with that sign on them… unless they were being used as a convenient womb to carry another monster’s child. She thought for a moment, then sighed. She and Alphys had wanted a baby someday. This was the day, apparently. She wished she wasn’t a kid.
Undyne grabbed her arm roughly and hauled her onto the railing over the core. Then she got between the girl’s legs and kissed her deeply. The other seemed confused, then, slowly, joined in. Not the best kisser in the world, thought Undyne, but far from the worst.
With the breath she gained in one large gulp after that kiss, Undyne told the thing, “I’m buying you for the next year, sex worker. My datemate and I have been trying forever to have a child. We haven’t gotten lucky, so you’re gonna be our womb! Don’t worry, we’ll take care of you while the kit or kits gestate. We’ll help you set up in a real place afterwards, too. But I’m going to do it whether you like it or not. I have to.”
She made the mistake of looking up, and that’s when she saw it. There was raw hope in this small girl’s eye lights. Why the hell would she be hopeful when she was about to be raped? Undyne couldn’t help herself. She had to ask. “Why do you look so happy?”
This seemed to free the child up to speak. Words poured out. “I won’t be a toy if you give me a home, so I can take my son in and raise him like I should. I wish Azzy were here, too, but I felt him more back home. Even if I do have to be female, this is the best thing I could have hoped for. Not that I can hope.”
Undyne stared at her for a moment. Then, scared to say the name in case her boss heard it and got angry again, she asked, “Are you… Sans?”
She- no, he nodded. “I am. No one has used my name in a long time, though. I miss it.”
“The king said you were dead!” Undyne squeaked.
“I don’t know why. He ordered me not to leave the castle for a long time while he raped me, then he kicked me out, so that broke that order.”
Order… orders? Fuck, that was what this was? Was he… He was, wasn’t he? She had a few orders of her own then. “You will be whatever gender you feel like being at the time. You will speak whenever you want or need to. You will stop thinking of yourself as a toy. You aren’t one. You’re a Blankness. It’s a kind of monster made out of a human. I’ve never seen such a young one. Blanknesses don’t have emotions at first, but they can gain them from other people giving them the right kind of magic. You have a soul, Sans. I order you to do everything you can to fill it.”
Sans blinked at her for a long time. Then anger filled his eyes. “FUDGE EVERYONE FOR LYING TO ME!” he shouted at the top of his lungs. It wasn’t very loud.
She laughed. “That’s it. Be angry at them. They’re the ones who hurt you. You didn’t deserve it. You were just a kid. You’re still only a teenager! You’d be… 198 or so if I remember right.”
“Would Azzy and Chara be teenagers?” Sans asked suddenly.
She sighed. “Yeah. Yeah they would.”
“And teenagers get their own room, right?” Sans asked, confusing her. What did rooms matter to a pair of dead kids?
“Um… yeah?” Undyne said, dredging up the rules of her childhood.
“Then I need to make them little rooms for when they come back!” Sans said, breaking her heart. Oh. Oh.
“You know they’re dead, right?” Undyne, unable to do delicately if it would save her life, said gruffly.
“I know, but I can still feel Azzy, so maybe they’ll come back as ghosts someday!”
She smiled sadly. “Sure. Um… I don’t have to fuck you to take care of you, Sans. Do you want me to put you down?”
He shook his head. “My soul feels fuller when people cum in me. Different people give me different things. You said to do everything I can to fill it, so I want you to please fuck me! Right now!”
Her laughter returned at that, although it was a bit awkward. “Okay. I’ll fuck you, but you tell me if you…” That was when she looked down. His pussy was pierced in too many places for her comfort; she was pretty sure her barbed penises would hurt no matter how careful she was. Fuck. She was going to ask him to tell her if it hurt. Guess that was a lost cause. “Nevermind. This’ll hurt, you know. You sure you’d rather not wait?”
He shook his head. “No, I want to be fucked! I like being fucked. It’s fun! I like feeling more, too. I’d like to feel more of you and give you the kids you want, too!”
Her grin grew greater. “That’s the spirit! Alright, give me a second and I’ll fuck you right here! Nothing like a little danger to get you going, is there? Fuck this stupid fucking belt. Never liked the color of this one. It’s too yellow. There it goes! Now, like what you see?”
Sans gulped when he took in her barbs, then stared up at her with stars for eye lights. “Heck yeah!”
She laughed after she spat in her hand and started pumping the pair of dicks. “Swear properly or I won’t let you pick your own mattress! Trust me, that’s something important. The wrong mattress can kill your back.”
He frowned. “Um… fuck yeah?”
Undyne shrugged. “Eh, close enough.” Then she slammed into his hymen, frowned as he gasped, then tore through it. “Virginity spell…? Not my thing, but Alphys will love you forever if you pretend you’ve never been fucked for her, so keep that in mind.”
He nodded. She made another little thrust into him, both dicks digging into his walls painfully. He loved it. The pain was new, the only thing he liked that he’d gotten from Gaster.
Unexpectedly, Undyne said, halfway up his snatch and with a frown on her face, “Gotta warn you, the eggs are going to be what makes you cum, so you’ll just have to put up with this part. I know it has to hurt.”
“Nah, it’s great! I can actually feel that now, so I’m living every second… strong?”
She gawked at him, then shrugged again. “Hell if I know. I’m better at swear words than those weird word string things. Oh, and giving you a good time, so don’t hold back your moans; I’ve got a lot of eggs and you’re going to be taking them all!”