Not All Monsters are Bad (UF! Sans x Experimented! Reader)

Valentines Day Special

Sorry if I didn't update this sooner I kinda forgot about it and now I'm a little bit depressed now :)

By the way this is a lemon so if your NOT a sinner like me~ (sometimes) then don't I repeat DONT read this!

Your P.O.V

I hummed my favorite tune as I walked around the park I saw many humans cuddling and kissing each other I smiled remembering that today is Valentine's Day...... Just then a bony hands grabbed my bony hands and I looked up and saw Red smiling awkwardly "H-Hey sweetheart ummmm Happy Valentines Day?" Red said and pulled out some chocolates and flowers my eyes literally turned into hearts seeing this I quickly grabbed it and kissed him on his teeth "Thank you Red I love it!" I said as I opened the box of chocolate and munch on it a little then gave Red the other half "Oh! And here I've been thinking on giving this to you for weeks now and finally I can give it to you!" I said and handed him a mustard keychain inside a heart and a mustard of course "Thanks sweetheart" "And that's not all~!" I said as he gave me a confused look "You mean you have more?" He asked tilting his head cutely making me blush I nodded my head and gave him a letter "Open it~!" I said he opened it and his eye sockets widen his face blushing madly.

I've been talking to Lust Y/n for a while now and she said that all of the Sans' have weaknesses in them I asked what kind of weakness does Lust Sans have and she smirked it made chills run down my spine and said something weird "He wants to be boned and he likes to play with his joystick while watching dirty stuff on his phone~ Oh! And he wants to have loads of pictures in his room or else he'll go insane without them~" she thought me some weird things and I finally mustard up the courage and 'pictured' something weird....

I saw a red glowing thing in his lower area and I smirk grabbing him and teleporting us in Lust's bedroom.

"Can I help you with that Red~?" I said I stared at his pupils he nodded his head slightly as I smiled "Don't worry I learned some things from the internet!" I said as I pulled down his shorts and pushed him on the bed he groaned I stared at the glowing thing and touch it...... IT WAS HARD!!! I blushed and my hand slowly goes up and down Red groaned a heart forming in his eyes I then put my mouth on the thing it tasted like f/f I wonder why? I started bobbing my head up and down until something wet was in my mouth I opened my mouth and saw red things "D-Don't s-swallow it!" Red said but I already swallow it...... It still taste like f/f...... "It's delicious!" I said as I started undressing myself and put myself into position like what the girl did in the video "Red please trust me on this ok?" I said with a pleading look he blushed harder and nodded his head slowly I smiled and lowered myself pain  then struck on me "A-AH~!" I said as tears started to form in my eyes but I quickly wipe it "I can do this!" I said and started rising myself and down I go I continued this and the pain vanish and was replaced by........ Pleasure....... "Red~ ah~" "Damn kid..... Haha..... You really are an expert....... In my taste at least......" Red said as I felt something weird in my stomach "Red~ I feel-!" Just then the red substance was in me I screamed not in pain but in pleasure I collapsed next to Red and smiled "Happy Valentine's Day Red~....." I said as I started falling asleep "Happy Valentines Day sweetheart....." He said and we both fell asleep.....

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It's my first time ok? Sorry..... For not updating that is.......