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   Be My Baby (I'll Look After You) by Anonymous

   Fandoms: Harry Potter - J. K. Rowling  

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

   07 Apr 2026

   Tags

   • No Archive Warnings Apply
   • Regulus Black/James Potter
   • Regulus Black & Sirius Black
   • Regulus Black
   • James Potter
   • Sirius Black
   • Black Family (Harry Potter)
   • Auror James Potter
   • Auror Sirius Black
   • Regulus Black and Sirius Black Angst
   • Regulus Black Needs a Hug
   • Regulus Black Deserves Better
   • James Potter Loves Regulus Black
   • Married Regulus Black/James Potter
   • Mpreg | Male Pregnancy
   • Soft James Potter
   • Caring James Potter
   • Abusive Black Family (Harry Potter)
   • Domestic Fluff
   • Regulus and Sirius care about each other in secret
   • Protective James Potter
   • James takes care of Regulus
   • Fashion Designer Regulus Black
   • Top James Potter
   • Bottom Regulus Black
   • Tender Sex
   • Aftercare
   • Emotional/Psychological Abuse
   • By Walburga and the Black elders
   • regulus black has self esteem issues
   • Self-Esteem Issues
   • But he thinks he is unlovable and has nothing else of worth
   • James who loves him like its breathing and sees all the ways he is
   • Regulus Black Loves James Potter
   • Established Regulus Black/James Potter
   • James calls regulus baby
   • A lot - Freeform
   • this is very important
   • Angst with a Happy Ending
   • Pregnant Regulus Black
   • Model Regulus Black
   • Fertility Issues
   • Alternate Universe - Modern with Magic
   • Alternate Universe - No Voldemort
   • Past Child Abuse
   • Child Neglect
   • Stillbirth
   • Eating Disorders
   • Body Dysphoria
   • Misunderstandings
   • The smut in this is like four to five times in the early chapters
   • Then the last few chapters

   Summary

   After Regulus reaches past his 'expiry age' according to pureblood society, and with no marital prospects left except for the opportunists looking to take advantage of the Black family's predicament, he is allowed to marry James on the condition that Regulus will conceive an heir no matter what it costs and that James will move in to live with him into Grimmauld Place.

   James follows him into the imperial Black family to protect him.

   Language:

   English

   Words:

   312,086

   Chapters:

   45/45

   Collections:

   1

   Comments:

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   Kudos:

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   Bookmarks:

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   Bookmarked by Ladui3024

   15 Feb 2026