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   Kryptonian Reproduction, an Observation by Winkaku

   Fandoms: Batman - All Media Types, Superman - All Media Types, Justice League - All Media Types  

   • Explicit
   • No Archive Warnings Apply
   • M/M
   • Complete Work

   11 Aug 2026

   Tags

   • No Archive Warnings Apply
   • Clark Kent/Bruce Wayne
   • Clark Kent & Bruce Wayne
   • Clark Kent
   • Bruce Wayne
   • Alien Biology
   • Anal Sex
   • Blow Jobs
   • Oviposition
   • Plot What Plot/Porn Without Plot
   • Top Clark Kent
   • Bottom Bruce Wayne
   • Why Did I Write This?
   • This Is Why We Can't Have Nice Things
   • What Have I Done
   • What Was I Thinking?
   • I Wrote This Instead of Sleeping
   • Fluff and Smut
   • Crack
   • Crack Treated Seriously
   • Wet & Messy
   • Come Inflation
   • Belly Bulge
   • Breeding
   • Friends to Lovers
   • Humor
   • Mpreg | Male Pregnancy
   • Science Fiction
   • Dubious Science
   • Reader-Interactive
   • NSFW Art
   • Watersports
   • uuuuuuuuuuuh it's educational
   • Bad Ideas
   • Author Is Insane
   • Kryptonian Biology (DCU)
   • Kryptonian Culture & Customs (DCU)
   • Alien/Human Relationships
   • Sounding
   • Male Lactation
   • graphic birth
   • Anatomy and Physiology
   • Tentacles
   • Pregnancy Kink
   • Switching
   • Switch Bruce Wayne
   • Switch Clark Kent

   Summary

   They'd been caught in each others orbit for some time now and, quite frankly, Clark should have seen this coming. Crazy was part and parcel to Gotham after all... let alone his own life. His father had warned him about mad scientists, but Clark had the distinct feeling that this was not what he'd envisioned in the slightest.
   AKA: A series of PWP vignettes wherein the plot is entirely background and I burn through kinks faster than a sorority freshman. Seriously, I’m running out of ideas, leave a comment with a suggestion and I’ll see what I can do.
   AKA: That time I tried to make a kinky science fic that turned into a writing challenge that turned into a crazy romp with associated art pieces. Fun was had by all. Kinks listed per chapter in the author’s notes or summaries, let me know if I missed anything, I’m trying to cut down on unwanted surprises.

   Language:

   English

   Words:

   100,025

   Chapters:

   37/37

   Comments:

   244

   Kudos:

   2,059

   Bookmarks:

   469

   Hits:

   119,604

   Bookmarked by SonoftheLaw

   10 Jun 2026