De-Aged Regulus Black FanFiction

James and his little friends

James and his little friends

G
Updated
15.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black & Sirius Black, Marlene McKinnon & James Potter, Sirius Black & James Potter, Regulus Black & Barty Crouch Jr. & Pandora Lovegood & Dorcas Meadowes & Evan Rosier, Sirius Black & Remus Lupin & Peter Pettigrew & James Potter, Peter Pettigrew & James Potter, Remus Lupin & James Potter
Tags
Hurt/Comfort Fluff and Angst Marauders Friendship (Harry Potter) Regulus Black & Sirius Black Have a Good Relationship Age Regression/De-Aging Regulus Black is a Little Shit Barty Crouch Jr. is a Little Shit Sirius Black & James Potter Friendship Established Sirius Black/Remus Lupin Potions Accident Cute Kids Hogwarts Era
The marauders make some bad decisions, they break into the Slytherin dormitory, and try to steal a certain vial of potion from Regulus' secret cabinet with potion samples.The owner catches them, what next?To justify the boys: they really needed a han...
Two Corpses

Two Corpses

M/M
G
Updated
15.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black/James Potter, Regulus Black, Harry Potter, James Potter, Ron Weasley, Harry Potter & James Potter
Tags
Angst Character Death Other Additional Tags to Be Added Time Travel Not Beta Read James Potter Lives James Potter-centric De-Aged James Potter De-Aged Regulus Black characters and pairs will be updated as we go it's lily
Briefly James Potter thought he was being burnt.His lungs were constricting, it was hard to breathe, he couldn’t move. But a part of him knew that he had to move, he had to- he had to protect Lily and Harry, he had opened the door and-~For James Pott...
All grown up

All grown up

M/M
G
Updated
15.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black, Harry Potter, Sirius Black/Remus Lupin, Remus Lupin, Sirius Black, Regulus Black & Sirius Black, Minor Characters, Walburga Black, Orion Black
Tags
Alternate Universe - Canon Divergence Depression Suicidal Thoughts Hurt/Comfort Torture Angst and Hurt/Comfort Self-Harm Suicide Attempt Fluff and Angst Implied/Referenced Child Abuse Dead Dove: Do Not Eat Child Abuse
Set between between GOF and OOP, Sirius is trapped inside Grimmauld Place, alone with only Remus for support. One day while Remus is off an a mission, Regulus suddenly appears alive in his old bedroom, except he is not the Regulus Sirius remembers, h...
Small accident, very small

Small accident, very small

G
Updated
15.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black, Sirius Black/Remus Lupin, Remus Lupin, Sirius Black, James Potter, Peter Pettigrew, Minerva McGonagall, Dorcas Meadowes, Regulus Black & Sirius Black, Evan Rosier, Barty Crouch Jr., Pandora Lovegood,
Tags
Angst Brotherly Love Hurt/Comfort Implied/Referenced Child Abuse Regulus Black is Bad at Feelings Age Regression/De-Aging Regulus Black Needs a Hug Protective Sirius Black Regulus Black Deserves Better Sirius Black Needs a Hug Abused Regulus Black Regulus Black Has Issues
"I'm you're favorite person?" Sirius asked through tears.   "Yes you are," Reggie nodded solemnly "and you always will be, I promise," Sirius bites his lip, he doesn't want to cry in front of the boy but it hurts, it hurts a lot, because in ten...