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1. Under Tails by TebTebmylittlepony

   Fandoms: Undertale (Video Game)  

   • Explicit
   • Underage Sex
   • M/M, Multi, F/M
   • Work in Progress

   17 Oct 2025

   Tags

   • Underage Sex
   • Chara/Asriel Dreemurr
   • Asgore Dreemurr/Toriel
   • Other Relationship Tags to Be Added
   • If People Care That Much
   • Chara (Undertale)
   • Toriel (Undertale)
   • Asgore Dreemurr
   • Original Undertale Character(s)
   • Asriel Dreemurr
   • Isekai and Transmigration
   • Chara (Undertale) Has Their Own Body
   • Male Chara (Undertale)
   • Nice Chara (Undertale)
   • Good Chara (Undertale)
   • Cause It's Not Actually Them
   • Alternate Universe - Asriel Dreemurr Lives
   • Teenage Asriel Dreemurr
   • Fluff and Smut
   • Shameless Smut
   • Eventual Smut
   • All Tags Will Be Eventual
   • Anal Sex
   • Anal Fingering
   • Sloppy Makeouts
   • Scent Kink
   • Breeding Kink
   • Praise Kink
   • First Time Blow Jobs
   • Thicc Asriel
   • Scents & Smells
   • Sweetheart Asriel Dreemurr
   • Oral Sex
   • Rough Oral Sex
   • Groping
   • Hand Jobs
   • Human/Monster Romance
   • Large Cock
   • Come Swallowing
   • Consensual Underage Sex
   • Dorks in Love
   • Slight Cum Inflation
   • Anal Play
   • musk
   • Coming Untouched
   • Coming In Pants
   • Sexual Overstimulation
   • Fur Kink
   • Creampie
   • No Incest
   • Asriel Dreemurr and Chara are NOT Sibling's

   Summary

   If you were to tell Jay that he would be born again in his favorite video game, he would tell you that it would definitely be a cool second life to live.

   Though, if you told him that when he did he would've been resurrected In Chara's body in a lewd version of the Underground before the Royal Family was broken apart, he would've called you crazy.

   Yet now knowing what he knows about this new world and his inhabitants, he figures he might as well enjoy this new life of his and indulge in the carnal pleasures this sex-filled Underground has to offer.

   Starting with a certain fluffy sweet prince...

   Series

   • Part 2 of New Life Underground

   Language:

   English

   Words:

   6,590

   Chapters:

   2/?

   Comments:

   4

   Kudos:

   5

   Bookmarks:

   1

   Hits:

   342