Adult Content Warning

This work could have adult content. If you continue, you have agreed that you are willing to see such content.

• Yes, Continue
• No, Go Back

If you accept cookies from our site and you choose "Yes, Continue", you will not be asked again during this session (that is, until you close your browser). If you log in you can store your preference and never be asked again.

1. that's the thing about illicit affairs by fairylightsthroughthemist

   Fandoms: Harry Potter - J. K. Rowling  

   • Explicit
   • Underage Sex
   • F/F
   • Complete Work

   06 Nov 2025

   Tags

   • Underage Sex
   • Petunia Evans Dursley/Lily Evans Potter
   • Petunia Evans Dursley
   • Lily Evans Potter
   • Sex Toys
   • Degradation
   • Oral Sex
   • POV Petunia Evans Dursley
   • Petunia Evans Dursley Being An Asshole
   • Some Plot
   • Vaginal Fingering
   • Mildly Dubious Consent
   • POV Lily Evans Potter
   • Incest
   • Sibling Incest
   • Sister/Sister Incest
   • HP Rare Pair Fest V

   Summary

   Before their respective marriages, Petunia and Lily were close.

   Language:

   English

   Words:

   5,029

   Chapters:

   1/1

   Collections:

   1

   Comments:

   5

   Kudos:

   25

   Bookmarks:

   4

   Hits:

   1,263