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1. Mystery of Love by eddiesheeran69

   Fandoms: Harry Potter - J. K. Rowling  

   • Mature
   • Creator Chose Not To Use Archive Warnings
   • F/F, F/M, M/M
   • Work in Progress

   28 Dec 2025

   Tags

   • Creator Chose Not To Use Archive Warnings
   • Regulus Black/James Potter
   • Minor or Background Relationship(s)
   • Sirius Black/Remus Lupin
   • James Potter/Lily Evans Potter
   • Barty Crouch Jr./Evan Rosier
   • Marlene McKinnon & Peter Pettigrew & James Potter
   • Marlene McKinnon/Dorcas Meadowes
   • Regulus Black & Barty Crouch Jr. & Pandora Lovegood & Dorcas Meadowes & Evan Rosier
   • Regulus Black
   • James Potter
   • Marlene McKinnon
   • Peter Pettigrew
   • Sirius Black
   • Lily Evans Potter
   • Minor Characters
   • Remus Lupin
   • Dorcas Meadowes
   • Barty Crouch Jr.
   • Evan Rosier
   • Fleamont Potter
   • Euphemia Potter
   • Friends With Benefits
   • Secret Relationship
   • Summer Romance
   • Underage Drinking
   • Smoking
   • Inspired by Call Me By Your Name
   • Internalized Homophobia
   • Period-Typical Homophobia
   • Everyone Is Gay
   • French Regulus Black
   • Jewish Regulus Black
   • Jewish James Potter
   • Italian James Potter
   • Slow Burn
   • Unrequited Love
   • Not Actually Unrequited Love
   • Masturbation
   • Spanish James Potter
   • it's not mentioned but he is
   • Eventual Smut

   Summary

   Regulus had always resented James. James had it all: the girl, the family, the popularity, and most of all his brother. Sirius and James had been best friends since they met at school in the year 7. Regulus always felt second to James in Sirius eyes. Regulus had also been madly in love with James since he was 10. Somehow Sirius convinced Regulus to spend the summer with him and James at James' summer house in Italy. Sudden break ups and secret hookups. See how things turn out for Regulus in the summer before he starts his final year before university.

   or

   I am bad at summary just read the story

   Language:

   English

   Words:

   16,542

   Chapters:

   6/?

   Comments:

   4

   Kudos:

   10

   Bookmarks:

   2

   Hits:

   191