Underswap Sans

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You sat on the toilet, with tears streaming down your face, as you held the test in your hands.

"It's P-positive..." You managed to say. More tears came down your face.

'Oh nononNONON!' You thought. 'How am I supposed to tell Blueberry! *Gasp!* What will papyrus think! Would he hate me if he knew that Blueberry and I had....??!!??!! Ugh!'

Then, all of a sudden, you herd a knocking on the bathroom door.
"Hu- I mean, (Y/n), are you ok in there?" It was Blueberry. "Uhh I-I'm f-fine B-Blueberry!" You stammered. "Ok. I will be downstairs making some of my amazing tacos! Mweh heh heh!"

So then I cleaned up, and was about to walk out of the bathroom until I looked into the mirror. I saw there was a tiny bump on my stomach. I sighed, and walked out.

Le time skip....

Papyrus' P.O. V: (Weren't expecting that now where you)

I was lying down on the couch when (Y/n) finally came out of the bathroom. "Hey kiddo. You ok? You look kinda worried about something. " I asked her. "Umm...  Yeah I'm ok.. " she replied. Something doesn't seem right..' I thought.

No one's P.O.V:

(Y/n) walked into the kitchen, and opened the fridge. She got out a bottle of (Favorite juice) that she usually only drinks when she's nervous. Little did (Y/n) know...  Papyrus was watching her.

"You're hiding something, aren't you (Y

)? " Papyrus said. "W-what? N-no I'm n-not?!" (Y/n) stammered.

Papyrus then walked up to (Y/n),  and looked at her belly, and saw the little bump.

"YOU'RE PREGN-" Papyrus was cut off by (Y/n) covering his mouth. She was crying.

Then, Blueberry came into the kitchen. "Guys? Why are you shout- (Y/N) ARE YOU OK?!!?!?!?" Blueberry ran up to You and hugged you.

"(Y/n)... why are you crying?" Blueberry asked in a sad tone. "B-because I... I-I'm p..... nt.. " You mumbled.

"Huh? What was that?" he asked again. "I'm pregnant! Blue, I understand if you're mad at me,  and want to break up, but i-" Blueberry cut you off by kissing you. "(Y/n)...  I could never been mad at you." he said,  and gave you a big hug.

Papyrus then came up to you and apologized for yelling. You forgave him.

Tem skip...

It has been around 8 months since you told Sans you were pregnant, and your belly was huge.

You were watching TV, when Blueberry walked through the door.

"Blue! I missed you!" You shouted. Blueberry gave you a hug and kissed you passionately.

"I missed you too (Y/n)!" he replied. Blue bent down and rubbed your belly. "And, i missed you as well, my little baby girls!"

You recently went to Dr.Undyne and found out you and Blue where having twins. Both girls. You and Blue were so excited, that you decided to throw a baby shower.

Time skip to baby shower...

"Are you sure it's a good idea to have a baby shower so close to your due date?" Papyrus asked, worried.

"Come on Papy, it'll be fine! Plus, im not due for another month." (Y/n) told Papyrus. "*Sigh*... Ok (Y/n). Just, dont say i didn't warn you... I guess."

Mini time skip...

(Y/n)'s P.O.V:

The baby shower started and all my friends came! Asgore, Toriel, Muffet, Grillby, Nabstaton, Happstablook, Chara, Frisk, Flowey, and Temmie (Chara forced Temmie and Frisk to come...).

I was eating some Cake (Sitting next to Sans and Papyrus), when i felt something pop, and my legs were wet.

"S-Sans..." I said. "What is it, (Y/n)? Are you okay?" He replied. "I... I-I think my w-water just b-broke..."

Papyrus looked at me and sighed, and Blueberry was still confused.

"Water just... broke? What does that mean?" Blueberry asked. "I means she's gonna have the babies." Papyrus replied.

"Oooohh. Ok- WAIT WHAT!?" Blueberry shouted. At this point, my tummy was killing me. "H-Help me p-please!" I cried.

Papyrus grabbed mine and Blueberries hand, and teleported us to the hospital. Before we entered the hospital, Papyrus whispered into my ear; "I told you so..."

Time skip cuz im lazy...

You and Blueberry were holding the two little babies in your arms. Two beautiful little girls.

"So... Have you thought of any names yet?" Blueberry said, rocking one of the little babies.

I was thinking, This one should be named... (G/n)," you said, pointing to the baby in your arms. "and you can name the other one if you want, Blue."

"Hmm... How about, (S/G/n)?" Blueberry said. "... That's perfect."

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Wooo! I'm finally finished with this!!! Yesss!
Word count: 790

Undertale au's x Pregnant! Reader One shots! (SLOW UPDATES)Where stories live. Discover now