non-sexual infantilism FanFiction

Tony's Not So Secret, Secret

Tony's Not So Secret, Secret

Multi
G
Updated
28.04.2025
Fandom
Marvel Cinematic Universe The Avengers (Marvel Movies)
Characters
Tony Stark, Pepper Potts, James "Bucky" Barnes & Steve Rogers, James "Bucky" Barnes & Tony Stark, James "Bucky" Barnes, Steve Rogers, Natasha Romanov (Marvel), Bruce Banner, Clint Barton, James "Rhodey" Rhodes, Happy Hogan, Steve Rogers & Tony Stark,
Tags
Fluff Alternate Universe - Canon Divergence Other Additional Tags to Be Added Protective Steve Rogers Fluff and Angst Tony Stark Needs a Hug Sharing a Bed Toys Non-Sexual Age Play Age Play Bed-Wetting Diapers
In a world where classifications are required, Tony Stark would ideally be a dom or a caregiver. Maybe a switch. Not a sub and most definitely not a little.But of course, the universe has to laugh at him.Or: Tony is a little and tries his best to kee...
Caregiver

Caregiver

Gen
Other
G
Updated
29.04.2025
Fandom
The Avengers (Marvel Movies) Iron Man (Movies) Iron Man (Comics)
Characters
Tony Stark, Jarvis (Iron Man movies), Steve Rogers, Natasha Romanov (Marvel), Bruce Banner, Clint Barton, Phil Coulson, Steve Rogers & Tony Stark, Clint Barton & Phil Coulson
Tags
Dubious Consent Non-Sexual Age Play Age Play Littles Are Known Bed-Wetting Diapers Infantilism bottles diaper changes non-sexual infantilism Daddy!Steve Little!Tony
Tony is a Little. However, he doesn't really like it, and he constantly refuses to let himself slip into his Little headspace.
Kids Stuff

Kids Stuff

Gen
G
Updated
29.04.2025
Fandom
Marvel Cinematic Universe The Avengers (Marvel Movies) Iron Man (Movies)
Characters
Tony Stark, Steve Rogers, Bruce Banner, Clint Barton, Thor (Marvel), Phil Coulson, Natasha Romanov & Tony Stark, Natasha Romanov, Steve Rogers & Tony Stark, Bruce Banner & Tony Stark, Tony Stark & Avengers Team, Clint Barton & Tony Stark,
Tags
Hurt/Comfort Kind Of Wetting Sharing a Bed Non-Sexual Age Play Age Play Bathing/Washing Cuddling Diapers Feeding Infantilism Accidents
The team can tell Tony misses all those things he considers childish, even if he stubbornly denies it. They are more than willing to provide him with what he wants, perhaps because they miss those things too.
Adjusting

Adjusting

Gen
G
Updated
29.04.2025
Fandom
The Avengers (Marvel Movies) Iron Man (Movies)
Characters
Tony Stark, Jarvis (Iron Man movies), Steve Rogers, Bruce Banner, Clint Barton, Natasha Romanov, Mention of: - Character
Tags
Wetting Non-Sexual Age Play Age Play Cuddling Diapers Infantilism Pacifiers Accidents non-sexual infantilism Daddy!Steve Little!Tony Nursery
Even if Tony has accepted to age play, he just let himself do it for short periods of time, not really enjoying it because he's still too ashamed about it. Steve doesn't like that, he wants this to be something stress-free for Tony, so he tries to he...
The Beginning

The Beginning

Gen
G
Updated
29.04.2025
Fandom
Marvel Cinematic Universe The Avengers (Marvel Movies) Iron Man (Movies)
Characters
Tony Stark, Jarvis (Iron Man movies), Steve Rogers, Clint Barton, Thor (Marvel), Phil Coulson, Steve Rogers/Tony Stark, Natasha Romanov, Steve Rogers & Tony Stark
Tags
Panic Attacks Wetting Non-Sexual Age Play Age Play Cuddling Diapers Infantilism Thumb-sucking Crib Legos non-sexual infantilism Onesies
It turned out Steve knew about Tony's Little side. And more shockingly, it turned out Steve wanted to help him, by taking part in it. Tony wasn't so keen on that idea.(According to chronological order: 1st Part.)