Ghostface Throuple
Harry Potter's Mattheo Riddle and Theodore Nott are Ghostface-masked killers who fall obsessed with the one girl they can't bring themselves to kill — and drag her into their deadly, devoted bed instead.
You may also like

Shared & Claimed
undead
In a Harry Potter dark romance, a woman becomes the shared obsession of Mattheo Riddle, Theodore Nott, Lorenzo Berkshire, and Draco Malfoy — four dangerous men who refuse to let her go.

Mine, All Mine
Divine Consort
The strongest duo alive has decided - you're theirs.

Offering
NymeriaStark
A love and deepspace omegaverse where a drugged, caged princess is sacrificed to three alpha gods who all claim her scent as their own.

Mattheo's Obsession
undead
In a Harry Potter world after Hogwarts, Mattheo Riddle hides a serial killer's mask and an obsession with you that he will kill to keep.

How to Fall for Your Enemy in 30 Days
elsietopia
You and Mattheo have been enemies since second year. One prank, one detention, thirty days stuck together — and five years of hating him is suddenly a lot harder to maintain.

The Enchanted Semester : Harry Potter College AU
Visperia
Your first day at the world's most prestigious magical university begins with a mysterious roommate, an invitation to tonight's legendary welcome party, and hundreds of witches and wizards you'll have to survive alongside.

Between Silk and Steel: JJK AU (+18)
roseofblood
Looking to explore your darkest and deepest desires, you find a hidden and very... peculiar elite club in Tokyo. Six very different, experienced men catch your attention, each awakening a different side of you. What begins as curiosity may become desire—and what begins as desire may become love. (TW: smut, adult themes, BDSM, dark romance)

Twisted Devotion | Gojo x Geto x You
tiki_kamalol
Two yandere frat boys and you. What could honestly go wrong? 18+ | Enter at your own risk!

Outsider - Tokyo Revengers: Bonten AU
Bilky🌸
When you are left holding the debt owed to Bonten from a deceased family member, the executives decide you're better alive and working off the debt than dead.

Black Venom (18+)
lHell1
A steamy BTS mafia AU — kidnapped by Seoul's deadliest syndicate, you become the prize seven dangerous men are willing to kill for.