De-Aged Sirius Black FanFiction

Little Padfoot

Little Padfoot

M/M
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black/James Potter, Regulus Black, Sirius Black/Remus Lupin, Remus Lupin, Sirius Black, James Potter, Peter Pettigrew, Regulus Black & Sirius Black
Tags
Fluff Depression Suicidal Thoughts Sibling Bonding Hurt/Comfort Self-Harm Period-Typical Homophobia Enemies to Lovers Happy Ending Marauders Era (Harry Potter) Alternate Universe - No Voldemort Regulus Black and Sirius Black Angst
A potion gone wrong results in Sirius being turned into his five year old self, and the marauders have to look after him until Slughorn brews an antidote. The only issue is that he wants his estranged brother Regulus helping too, because he's five an...
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...
Ma lumière

Ma lumière

G
Updated
15.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black, Remus Lupin, Sirius Black, James Potter, Peter Pettigrew, Minerva McGonagall, Regulus Black & Sirius Black, Evan Rosier, Barty Crouch Jr., Sirius Black & James Potter, Horace Slughorn, Sirius Black & Remus Lupin & Peter Pettigrew & James Potter,
Tags
Angst Brotherly Love Implied/Referenced Child Abuse Regulus Black is Bad at Feelings Age Regression/De-Aging Regulus Black and Sirius Black Angst Background rosekiller black brothers Sirius Black Needs a Hug Minor Sirius Black/Remus Lupin Brotherly Bonding Regulus Black Feels
One of the potions lessons went wrong, Sirius wasn't 17 anymore he was 7 and the only person he felt safe with was Regulus, only that 17 year old Sirius hates Regulus and vice versa. But 7 year old Sirius? Regulus is his whole world. Does Regulus hav...