A Little Hero with a Big Destinyby Racoon_Boy
What if Mk were younger in the show than in canon like 7-10, things would be different and interactions would change.
Mk would of been found by Pigsy and Tang a few year...
A Class of Childrenby Witchy Lee
"Why would we go with you?" Bakugou asked, already a mouthy spitfire. "We don't know you." He continued. Aizawa noted with interest that Midoriya had...
Ren's Baby Foxby Furry, over
Ren's always wanted to be a father.
(Cross posted on AO3, might delete here idk)
Completed
Aokiji's Heart Torn Between Duty a...by typhomarangsparl1
Aokiji, a talented 14-year-old Marine, finds himself in an emotional turmoil. As a high-ranking officer, he is sworn to uphold justice and protect the World Government's...
The Strongest Sorcerer and Three (...by Limitless_Divinity
Gojo Satoru had just finished a mission a few hours ago, and now his second year comes to his room carrying the unconscious version of his first years. Nothing could pre...
Potion Problemby theuwuisajoke
Conner Stoll was pranking Lou Ellen until an accident happened.
Completed
Little Harryby blueotter55
Harry is a little and as people learn of his home life, he has to find a new guardian. Who better to step in than our favourite potions professor of Hogwarts.
Happy rea...
Little Consequences: Shadowhunters by A. U. T. U. M. N
When Jace dumps a young warlock apprentice she decides to teach him a lesson he will NEVER forget! Unfortunately, Jace isn't the one who pays the price-Alec is as usual...
Li Li and Cookieby arianne_stan2
Max Verstappen and arianne (Riri to most) have known each other since childhood. they refuse to talk to each other and when forced to due to their job it is not civil.no...
Pint-Sized Ninja Problemby galaxygirl12845
Kai, Cole, and Jay, get turned into children thanks to Garmadon's mega weapon. Sensei Wu goes off to get the cure to change the ninja back, leaving Nya and Lloyd to take...
Nightfall of the Wolf: Lucia's Per...by typhomarangsparl1
chronicles Lucia's epic adventure, filled with thrilling battles, heartfelt reunions, and the pursuit of a dream that transcends the boundaries of power and legacy. Will...
Ghosts of What We Used to Want (A...by Sam F Parker
Draco might have been able to move past old prejudices and old scars, but that doesn't mean he can move on from hating Harry Potter. Not that Potter is doing any better...
Tiny Apprentice by OC-almost-everything
Hazbin Hotel de-aging fanfiction
After an attempt to spy on Charlie's new and improved Hotel, Virus runs into the last person he wanted to.
Said demon proceeds to make...
Broken : The Joker Deaged |Slow Up...by Timothy
When the Joker's plan to deage Batman backfires, he turns into a nine year old, clueless of anything around him.
How will the Batman take it?
Can they finally begin to u...
epiphany by Jennifer Griffen
Jin is a single father of five year old Jungkook. seven year old tae is my son. Jungkook and tae meet bringing Jin and I back together.
Her childhood remadeby _Fandom Girl _
What happens when you tick off the goddess of Marriage? Yeah apparently you get turned into a child. That's what happened to Thalia Grace. Now, camp Half-blood has to ta...
Babysitting demonsby Princess Consta
In which a bored god decides to cause chaos with none other than class 1A.
Or
A god makes class 1A children and the world has to deal with it.
Young Justice Deagedby Creecher
I just wanted wholesome deage content, but there haven't been any of these since, like 2016, so I'll do it myself.
Pretty self-explanatory, the original six are deaged...
Lay Me Down to Sleepby Annie Eliza
The last few months have been hard on Chay. He had gotten kidnapped, found out his brother was a mafia bodyguard, found out the guy he was in love with was using him to...
Out of the Darkness (De-aged Snape)by ✨meethi chhuri✨
*Harry raises Snape
**This goes without saying but TW: CHILD ABUSE
Severus Snape survives the war and spends his time in Hogwarts as a Potions master until a potions acc...