Adult Content Warning

This work could have adult content. If you continue, you have agreed that you are willing to see such content.

• Yes, Continue
• No, Go Back

If you accept cookies from our site and you choose "Yes, Continue", you will not be asked again during this session (that is, until you close your browser). If you log in you can store your preference and never be asked again.

1. Sonic AU 2025 by Poster16

   Fandoms: Sonic the Hedgehog - All Media Types, Sonic the Hedgehog (Video Games), Sonic X (Cartoon 2003)  

   • Mature
   • Creator Chose Not To Use Archive Warnings, Graphic Depictions Of Violence, Major Character Death
   • M/M
   • Work in Progress

   29 Sep 2025

   Tags

   • Creator Chose Not To Use Archive Warnings
   • Graphic Depictions Of Violence
   • Major Character Death
   • Shadow the Hedgehog/Sonic the Hedgehog
   • Sonic the Hedgehog
   • Shadow the Hedgehog
   • Jet the Hawk
   • Miles "Tails" Prower
   • Knuckles the Echidna
   • Doctor Starline (Sonic the Hedgehog)
   • Lien-Da (Sonic the Hedgehog)
   • Infinite (Sonic the Hedgehog)
   • Rouge the Bat
   • Amy Rose (Sonic the Hedgehog)
   • Dr. Eggman | Dr. Robotnik
   • Clutch the Opossum
   • Deadly Six (Sonic the Hedgehog)
   • Maria Robotnik
   • Gerald Robotnik
   • Game: Sonic Racing: CrossWorlds
   • Ice Cream
   • Bets
   • Hospitals
   • Hurt/Comfort
   • Recovery
   • Time's Promise
   • Protective Shadow the Hedgehog
   • Other Additional Tags to Be Added
   • Twitter Takeover References
   • Implied/Referenced Torture
   • Cuddles
   • Alternate Universe - Medieval
   • References to Game: Sonic and the Black Knight (Sonic the Hedgehog)
   • References to Barbie: Swan Lake
   • Attempted Violence
   • Bakery
   • Murder
   • Weddings
   • World Domination
   • References to Sonic the Hedgehog 3
   • Inspired by Hades and Persephone (Ancient Greek Religion & Lore)
   • Realm of Tír na nÓg (Creideamh agus Béaloideas na nGael)
   • Maria Robotnik and Shadow the Hedgehog are Siblings
   • Miles "Tails" Prower and Sonic the Hedgehog are Siblings

   Summary

   A collection of oneshots taking place in seven different AUs. Tags will reflect each one. List of prompts is here: https://www.tumblr.com/sonic-au-august/790056826947420160/say-hello-to-the-2025-sonic-au-august-prompt-list?source=share

   Language:

   English

   Words:

   9,926

   Chapters:

   6/31

   Comments:

   8

   Kudos:

   40

   Bookmarks:

   3

   Hits:

   830