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1. Cheaper by the Dozen by pringlealltheway

   Fandoms: Harry Potter - J. K. Rowling  

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

   16 Dec 2025

   Tags

   • No Archive Warnings Apply
   • Sirius Black/Remus Lupin
   • Teddy Lupin
   • Nymphadora Tonks
   • Hope Lupin
   • Fleur Delacour
   • Alternate Universe - Muggle
   • Mpreg | Male Pregnancy
   • Minor Remus Lupin/Nymphadora Tonks
   • Gay Sirius Black
   • Gay Remus Lupin
   • One Big Happy Family
   • These men are dangerously fertile
   • Slice of Life
   • Sirius wants allll the kids
   • Remus Lupin is So Done
   • (or is he?)
   • Domestic Fluff
   • So many bizarre pregnancy cravings
   • The fastest high school graduation of all time
   • Romantic Comedy
   • Fellas is it weird to order a glass of milk at a diner?
   • Pregnant Remus Lupin
   • Pregnant Sirius Black

   Summary

   Remus and Teddy were getting by as a duo. Then Sirius came along, and life got bigger. A lot bigger.

   Written for Wolfstar Mpreg Fest 2025 prompt by anonymous: Sirius and Remus already have a host of kids and then find out they’re pregnant with an accident baby in their 40s.

   Language:

   English

   Words:

   21,219

   Chapters:

   8/8

   Collections:

   1

   Comments:

   53

   Kudos:

   129

   Bookmarks:

   20

   Hits:

   2,403