Books like Bound by Night by Larissa Ione

A demon‑slayer named Tayla Mancuso battles lust and peril when she is treated in a mystical hospital where the head doctor, Eidolon, feeds her insatiable desire, forcing her to choose between loyalty and love.

Dr. Antonio Acero, a physicist and heir to a wealthy Spanish dynasty, finds a Mayan tablet in southern Mexico that may revive his stalled research. Yet when he activates its power he encounters Ixtab, a deadly deity whose plans threaten his life and love.

Vampire romance with a twist of darkness and desire.

After a family tragedy, Lorraine Peters meets her Carpathian lifemate Andor Katona and a master vampire, leading to a deadly battle between immortal forces.

A ghost with no memory falls in love with her former teammate and seeks to reclaim her human identity before accepting her fate as a ghost.

Vail the Unwanted is a pure-blooded vampire. But raised by Faery, he has neither home nor peace, and when his aid is sought in the recovery of a priceless diamond gown, his price is information. Specifically the whereabouts of his accursed father. His goal is revenge, and the supernaturally sexy Lyric, the icy blond vampiress with whom he must work, is a distraction he can't afford. Outwardly as cold as the diamond dress in which she was kidnapped, Lyric has her own secrets. Desperate to break free from her criminal family, she aligns herself with the brooding Vail. Together they seek justice while each secretly works for freedom and a fresh start. For Lyric that means holding herself apart, even from the smoldering blue-eyed Vail. For Vail, it means a battle to the death for revenge—and for a temptress he can't deny.

A soldier with extraordinary powers must stop a dire presidential premonition while navigating a dangerous romance with a mysterious woman who may be an ally or foe, all set against a backdrop of war and supernatural intrigue.

A Seminus demon assassin turned plague‑instigator must confront a half‑werewolf, half‑vampire hunter bound to her by blood, as their shared past and deadly virus threaten both their lives and the underworld.