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1. The Biggest of Hearts by Bickymonster

   Fandoms: Teenage Mutant Ninja Turtles - All Media Types, Teenage Mutant Ninja Turtles (TV 2012), Teenage Mutant Ninja Turtles (TV 2003)  

   • Explicit
   • Underage Sex
   • M/M
   • Complete Work

   18 Dec 2022

   Tags

   • Underage Sex
   • Leatherhead/Raphael (TMNT)
   • Raphael (TMNT)
   • Leatherhead (TMNT)
   • Donatello (TMNT)
   • Leonardo (TMNT)
   • Michelangelo (TMNT)
   • Splinter (TMNT)
   • Hamato Yoshi | Splinter
   • April O'Neil (TMNT)
   • Casey Jones (TMNT)
   • Size Difference
   • Size Kink
   • Unplanned Pregnancy
   • Eggs
   • Eggpreg
   • Egg Laying
   • Age Difference
   • Unreliable Narrator
   • Misunderstandings
   • Protective Splinter (TMNT)
   • Confused Mikey
   • Supportive Donnie
   • Good Friend Casey Jones (TMNT)
   • Secret Relationship
   • Turtle Science
   • Asexual Character
   • Asexual Donatello (TMNT)
   • Mpreg
   • Aunts & Uncles
   • Good Parent Raphael (TMNT)
   • Parent Raphael (TMNT)
   • Anal Sex
   • Teasing
   • Explicit Sexual Content
   • Sexual Tension
   • Tails
   • Touching
   • Lube
   • Anal Fingering
   • Captivity
   • Bad Decisions
   • Imprisonment
   • Eventual Happy Ending
   • Bottom Raphael
   • Bottom Raphael (TMNT)

   Summary

   When Donnie discovers Raph's secret relationship late one night, the consequences are more far reaching than either of them could have imagined.

   Language:

   English

   Words:

   68,817

   Chapters:

   16/16

   Comments:

   82

   Kudos:

   351

   Bookmarks:

   31

   Hits:

   9,436