Aunt/Nephew Incest FanFiction

Petunia's Guidance

Petunia's Guidance

F/M
G
Updated
26.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Harry Potter, Petunia Evans Dursley, Petunia Evans Dursley/Harry Potter
Tags
Hand Jobs Pedophilia Comfort First Orgasm Aunt/Nephew Incest
Eleven year old Harry Potter wakes up with an erection and shows his Aunt Petunia
Sail away

Sail away

F/M
G
Updated
29.04.2025
Fandom
The Avengers (Marvel Movies) Spider-Man - All Media Types
Characters
Peter Parker, Peter Parker & Avengers Team, May Parker (Spider-Man), Avengers Team (MCU), May Parker (Spider-Man)/Peter Parker
Tags
Pregnancy Unplanned Pregnancy Vacation Aunt/Nephew Incest
Peter and May go on a vacation together
Love Me Harder

Love Me Harder

F/M
G
Updated
29.04.2025
Characters
Peter Parker, May Parker, Peter Parker/May parker
Tags
Angst Incest Vaginal Fingering Masturbation Dead Dove: Do Not Eat Vaginal Sex handjobs Ambiguous Age Aunt/Nephew Incest
“This isn’t your fault,” he said, voice strained but earnest. “Please don’t blame yourself, please, May. I know it’s wrong, but I promise this isn’t on you!” “How is this not my fault, Peter? You obviously wouldn’t be having these thoughts if I had n...
Keep Your Head Down

Keep Your Head Down

G
Updated
30.04.2025
Fandom
Big Hero 6 (2014)
Characters
Cass Hamada, Hiro Hamada
Tags
Abusive Relationships Loss emotional incest Psychological Manipulation Aunt/Nephew Incest Abusive!Aunt Cass Child Sexual Abuse Long-term Negative Effects Dependence - Freeform Stockholm Syndrome (kinda) Traumatic Bonding (kinda)
Alternate version of Say Something in which Tadashi dies before Hiro can tell him about the abuse.Hiro is now twenty-six.
Say Something

Say Something

G
Updated
30.04.2025
Fandom
Big Hero 6 (2014)
Characters
Cass Hamada, Hiro Hamada, Tadashi Hamada
Tags
Emotional Manipulation child grooming Aunt/Nephew Incest Child Sexual Abuse Silencing rape myths Gradual Abuse Emotional Incest (kinda maybe) content is occasionally graphic
Hiro was thrilled to have left school so soon and to be spending his days working on his own projects at home, alone. But he's not as alone as he thinks he is.