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1. First attempt by mezz_online

   Fandoms: Sonic the Hedgehog (Live Action Universe), 魔法少女まどか☆マギカ | Puella Magi Madoka Magica & Related Fandoms  

   • Mature
   • Creator Chose Not To Use Archive Warnings
   • M/M
   • Complete Work

   18 Feb 2026

   Tags

   • Creator Chose Not To Use Archive Warnings
   • Dr. Eggman | Dr. Robotnik/Agent Stone
   • Dr. Eggman | Dr. Robotnik
   • Agent Stone (Sonic the Hedgehog)
   • Walpurgisnacht (Madoka Magica)
   • Kyubey (Madoka Magica)
   • agnst
   • Alternate Universe - Madoka Magica Fusion
   • Hurt No Comfort
   • Kyubey is a little bitch
   • Dr. Eggman | Dr. Robotnik Needs a Hug
   • Agent Stone Needs a Hug (Sonic the Hedgehog)
   • Competent Agent Stone (Sonic the Hedgehog)
   • Injured Robotnik
   • First Fanfiction
   • Short One Shot
   • Ambiguous/Open Ending
   • yeah no the city is destroyed
   • Blood and Injury

   Summary

   Robotnik was fighting Walpurgisnacht and his Agent realizes the truth about the doctor. Hidden truths about the world got revealed with the destruction of Walpurgisnacht, and Stone runs to help Robotnik.

   He was too late, now having to make a choice. Sell his soul to save the doctor, or watch him die.

   Series

   • Part 1 of Stobotnik x Madoka Magica AU

   Language:

   English

   Words:

   1,653

   Chapters:

   1/1

   Comments:

   14

   Kudos:

   13

   Bookmarks:

   3

   Hits:

   109