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1. First Aid by MissingPersonJohnDoe

   Fandoms: Teenage Mutant Ninja Turtles (TV 2012)  

   • Not Rated
   • Creator Chose Not To Use Archive Warnings
   • F/F, F/M, M/M
   • Work in Progress

   22 Jun 2026

   Tags

   • Creator Chose Not To Use Archive Warnings
   • Donatello/Casey Jones (TMNT)
   • Leonardo (TMNT)/Yuichi Usagi
   • Karai/April O'Neil (TMNT)
   • Raphael (TMNT)
   • Leonardo (TMNT)
   • Donatello (TMNT)
   • Michelangelo (TMNT)
   • Casey Jones (TMNT)
   • April O'Neil (TMNT)
   • Karai (TMNT)
   • Yuichi Usagi
   • Good Friend Casey Jones (TMNT)
   • Casey Jones is a Little Shit (TMNT)
   • Bisexual Casey Jones (TMNT)
   • Protective Casey Jones (TMNT)
   • Hurt Donatello (TMNT)
   • Donatello Needs a Hug (TMNT)
   • Donatello is a Little Shit (TMNT)
   • Donatello is Bad at Self-Care (TMNT)
   • Donatello is So Done (TMNT)
   • Oblivious Donatello (TMNT)
   • Cute Donatello (TMNT)
   • Medical Inaccuracies
   • No Turtlecest (TMNT)
   • Turtle Anatomy (TMNT)
   • Aged-Up Mutant Ninja Turtles
   • Trans Leonardo (TMNT)
   • Protective Karai (TMNT)
   • Good Older Sibling Karai (TMNT)

   Summary

   Donnie wants to teach everyone first aid but Casey jones is the only one willing to learn. The classes quickly come in handy and Casey enjoys spending time with his favorite turtle

   Language:

   English

   Words:

   7,846

   Chapters:

   4/?

   Comments:

   14

   Kudos:

   57

   Bookmarks:

   8

   Hits:

   629