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1. The Ripple Effect by HersheyOtaku

   Fandoms: Rise of the Teenage Mutant Ninja Turtles (Cartoon 2018), Teenage Mutant Ninja Turtles - All Media Types  

   • Explicit
   • No Archive Warnings Apply
   • F/M
   • Work in Progress

   15 Feb 2026

   Tags

   • No Archive Warnings Apply
   • Donatello/April O'Neil (TMNT)
   • Donatello (TMNT)
   • April O'Neil (TMNT)
   • Mutual Pining
   • Fluff
   • Friends to Lovers
   • Nuzzling
   • Churring
   • Turtle instincts
   • Mating Rituals
   • Cunnilingus
   • Licking
   • Biting
   • Underwater Sex

   Summary

   Donnie blinked twice before his brow furrowed. "You're...not really a 'water person'?" he asked, making air quotes with his fingers. "April, I've seen you enter far too many swimming pools for that to be a factual statement."

   "Yeah, the shallow end maybe," April replied. "Huge difference between three feet and six feet, Dee. It's just a hang up, don't worry about it."

   Donnie's quick mind ran through all his memories of 'April in a body of water.' April standing in water? Sure. Kayaking upon its surface? Many times. But swimming? He actually couldn't recall a time where he'd ever witnessed her treading water.

   "You...can't swim," he said slowly, his expression one of dawning realization.

   Donnie takes it upon himself to teach April how to swim. The lesson in turtle biology is an unexpected bonus.

   Language:

   English

   Words:

   19,033

   Chapters:

   2/3

   Comments:

   7

   Kudos:

   58

   Bookmarks:

   6

   Hits:

   560