The Other Forbes Twin
In the Vampire Diaries' Mystic Falls, Caroline's twin sister becomes the one thing Klaus Mikaelson can't compel, control, or walk away from.
You may also like

Until Blood Do Us Part
Visperia
Sent to a secluded mansion as the promised bride of an ancient vampire household, you discover that eight brides arrived before you, yet every wedding portrait bears your face.

Malfoy's Mate
boboero0409
Draco Malfoy is a Veela, and you're his mate. He can't control himself around you—and now you're his Potions partner.

Fate Has Fangs
Kay:)
He ruled the night for five centuries. Fate gave him a human next door.

The Auction : JJK
Aiso
Sold to the highest bidder — a blindfolded vampire with a dangerous smile — you're the only human whose blood drives them mad and whose mind they can't control.

Rule the Night: JJK Vampire AU
Ririrara🐇𓍢ִ໋🌷͙֒🪐
A human anomaly enters a gothic university frozen in time and triggers a dangerous obsession between three immortal rivals—the elite vampire heir (Satoru Gojo), the ruthless hybrid king (Ryomen Sukuna), and the volatile, rare tribrid (Yuta Okkotsu)—in a dark-academia romance where surviving the campus means surviving them.

Bound by Blood | Vampire LADS AU
kiri
You were murdered and left to die—but one of five vampires broke their oldest law to save you, turning you into something forbidden. Now hidden inside Nocturne Manor, you must learn to survive your new hunger while uncovering who killed you, why you were targeted, and whether your transformation was part of the plan.

Obsessed.
Honeydew23
You and sukuna are on and off all the time, your both toxic but he seems to not be able to stop being obsessed with you

The Friend Who Knew
qyp
You were a sorcerer long before your best friend Yuji Itadori ever learned curses were real.

Till Death Do Us Apart
Ruby_Jane
A Jujutsu Kaisen forbidden romance: you were Ryomen Sukuna's concubine in the Heian era, and now that Yuji Itadori has swallowed his finger, the King of Curses has finally found you again.

Morioh Nights
itfopb
In the sleepy town of Morioh, a stray Stand power pulls you into Josuke Higashikata's orbit — and his heart — in this Diamond is Unbreakable romance.