Mettaton Stories

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1.2K Stories

Dearest Vessel  //Mettaton x Robot!Reader// by MySmolChemicalBean
#1
Dearest Vessel //Mettaton x Robot...by Sir Chills-A-Lot
Alphys invites you over to show you the new body she created for you. At first you aren't sure if you trust her enough to try it out, but li'l ghosty you eventually let...
  • itriedmybest
  • itriedsohard
  • undertale
+17 more
Undertale x Infant!Reader by raac24
#2
Undertale x Infant!Readerby ~Raac~
Taking a journey through the Underground seems fun to experience and to Fight or Act through. But is it really fun when you're just an infant? Will you ever make it back...
Completed
  • xreader
  • flowey
  • infant
+14 more
'Sick At Heart' - Flowey x Reader by TheSerratedThorn
#3
'Sick At Heart' - Flowey x Readerby Spooky~
Hey, all! Since my first x reader went great, and had to end; I decided that I should start another one. For those of you who read my previous book: 'Seeds Of Love', and...
  • asgore
  • underground
  • toriel
+15 more
inSANSity by MagesticalRose
#4
inSANSityby MagesticalRose
Warning: Contains dark and sensitive topics such as: Suicide, insanity, mental illness, death, and so on. Also may have a bit of gore, so don't read if you have a weak s...
  • tori
  • suicidal
  • alphys
+16 more
Storyshift (Charisk) by Wasted_Arsonist
#5
Storyshift (Charisk)by Gunnar Årud
Just what you'd expect. Pardon my lack of knowledge about this AU. I just like the concept. Both Frisk and Chara are girls. Characters may use absolutely differen...
  • storyshift
  • mettaton
  • tobyfox
+17 more
(Sans x Reader) When Two Souls Meet by ZanaBSparrows
#6
(Sans x Reader) When Two Souls Meetby Zana B Sparrows
Sans has lived through countless timelines. He's seen the kid make friends with everyone, only to give up in the final moments. He's seen the kid killed, over and over a...
Completed
  • frisk
  • gaster
  • fan
+14 more
Gaster x Reader by MoonReader109
#7
Gaster x Readerby MoonReader109
Pretty self explanatory. This takes place after the Pacifist route in Undertale. Through determination, Frisk was able to bring back Chara, Asriel (Asriel is Flowey per...
Completed
  • asgore
  • sans
  • undertale
+12 more
Little Lyrebird(G!Sans x Reader) by xXDiabolicEnigmaXx
#8
Little Lyrebird(G!Sans x Reader)by XxDiabolicEnigmaxX
He created me to become the people's art. But he has only created the perfect weapon. (Cover drawing is not mine)
  • gastersans
  • papyrus
  • undertale
+8 more
Punderful Colors (SansXreader) by DJsansy
#9
Punderful Colors (SansXreader)by Kittycatsans
"How could you kill him after he gave you mercy" "..." " He spared you...he trusted you..." "....." "...I trusted you...&quo...
  • toriel
  • alphys
  • gaster
+8 more
Undertale Daughter Scenarios by FrenchPokingOtaku
#10
Undertale Daughter Scenariosby ♡StillPoking♡
I was bored oh well but this is a scenario book so be warned this is my first and probably not my last so let us start and by the way your gonna start out as a baby to m...
  • undyne
  • chara
  • sans
+7 more
Unexpected Love | Sans x Reader by dacatnxtdoor
#11
Unexpected Love | Sans x Readerby mallory
You climbed the famous Mt. Ebott to prove to a group of your friends that humans don't disappear when they go up the mountain. While walking around the peak, you trip ov...
Completed
  • fighting
  • souls
  • sans
+17 more
Lights Like Stars (Sans x Reader) by SebbyBear
#12
Lights Like Stars (Sans x Reader)by SebbyBear
It's been over a year since the Underground opened up and the monsters living under the earth swarmed to the surface in their thousands. The human and monster governmen...
  • papyrus
  • mettaton
  • asgore
+16 more
Undertale x reader (completed) by Chaos-Prince
#13
Undertale x reader (completed)by Chaos-Prince
I've decided to just make this an Undertale/Undertale AU x reader just to make this easier(?) for me. will be adding my AUs as well, since I have a few ideas in mind. I'...
Completed
  • fanfiction
  • mettaton
  • sans
+9 more
Undertale X Reader by Frei_111
#14
Undertale X Readerby Frei_111
You woke up on bed of golden flowers without having anything to remember. Going to an adventure where you met with many monsters to go home. Easy, right? Not really, act...
Completed
  • undyne
  • alphys
  • undertale
+8 more
A Skeleton's Lover [Sans x Reader] by PixelCube_
#15
A Skeleton's Lover [Sans x Reader]by The Pixel Crew
(The first book to To The End Of Time) After meeting a group of monsters at a party, you decided to visit them again. You met Sans- Sans the Skeleton, as he introduced...
Completed
  • papyrus
  • sans
  • asgore
+16 more
'Shy Pet' Underfell Sans X Reader by WolfieWoo2
#16
'Shy Pet' Underfell Sans X Readerby SilverWolfLovesAnySans
You were shy. You were small. You were picked on. You were told you weren't tall enough. You were hurt. Physically and mentally. He wanted a pet. He wanted someone who w...
Completed
  • xreader
  • fell
  • fellsans
+15 more
Undertale Comics 1 by crazytitan25
#17
Undertale Comics 1by crazytitan25
Just a bunch of comics about Undertale.I do not own this comics.
Completed
  • gaster
  • sans
  • asgore
+12 more
Kitten (Sans X Neko!Reader) by ShadowGirl1996
#18
Kitten (Sans X Neko!Reader)by ShadowGirl1996
"Your human right?" "No. I would never want to be like them." "But your not a monster?" "Like I said...I'm not a human or monster. I'm...
Completed
  • undertale
  • frisk
  • fluff
+12 more
Ask UnderFell Sans! by _UnderfellSans12_
#19
Ask UnderFell Sans!by xxDead Accountxx
Yo! Underfell Sans here! You might of seen me in my appearance in Ask/Dare Dream from @Dreamtale_0312's account. I have decided that I should try answering more question...
  • asgore
  • chara
  • frisk
+8 more
Undertale Parent Scenarios by ShadowGirl1996
#20
Undertale Parent Scenariosby ShadowGirl1996
Hey guys this involves Papyrus, Sans, Grillby, Mettaton and Undyne. The others are brought into it later on. I do not own any links, videos, pics, links and/or character...
  • mettaton
  • tobyfox
  • sans
+13 more