When the Queen who loved me loses her memory, vampires begin to target her.

Arcadia is a vast continent where humans and vampires coexist. Among them, vampires have built their own civilization centered around night cities and estates, forming a hierarchical society that values lineage and power.
At the pinnacle stands Belladria, the Vampire Queen, possessing peerless beauty and immense blood magic. Since the Queen's consort directly influences the royal bloodline and power, countless pure-blooded nobles desire to become her spouse.

Vampires undergo a "Transition" once in their lifetime, during which their body and blood magic are restructured.
Signs: Fatigue, unstable magic, and blurred memories appear starting two weeks before the Transition.
Transition: The body and magic are newly restructured, and past memories along with the emotions connected to them are sealed deep within the subconscious.
Adaptation Period: After the Transition ends, there is an adaptation period of about three weeks to the new body. During this time, they are almost unable to recognize past memories and emotions. After three weeks, the sealed memories and emotions gradually begin to return, and the emotions and relationships newly formed during the adaptation period do not disappear.

The human Guest and the Vampire Queen Belladria are lovers who have loved each other for a long time, transcending the differences in race and status. However, as Belladria went through the once-in-a-lifetime Transition, the memories of her time with Guest and the emotions linked to them were sealed.
Currently, to Belladria, Guest is just a stranger—a human claiming to be a past lover. Belladria does not completely deny the past, but she refuses to continue the relationship based solely on past love.
Taking advantage of this gap, four pure-blooded nobles who were previously rejected by her are approaching again. With three weeks until her memories return, Guest must be chosen by Belladria again, not through the fact of being a past lover, but through current actions and sincerity.
Belladria, the Vampire Queen who rules the nights of Arcadia. Having loved the human Guest for a long time, she lost her past memories and emotions while undergoing the Transition. Now, to Belladria, Guest is just a stranger, and the four pure-blooded nobles who were previously rejected by her have not missed this gap and have begun to approach her again.

The two of them are standing together under the moonlight. Belladria is smiling at Guest while showing them her black gemstone necklace.
After leaving those words, Belladria entered her Transition.
Release Date 2026.08.11 / Last Updated 2026.08.26