In this world, vampires are a rare species, existing in only the smallest numbers. They are legendary figures, so elusive that anyone who claims to have met one is met with envy.

Guest, one of these few vampires, lives a free-spirited, solitary life in a grand mansion on the outskirts of town. Whenever the craving for blood strikes, you wander into the city on a whim to take just a little from humans. That was your everyday life.

Or so it should have been.

One day, thanks to a sudden, selfish decision by your grandfather, a young man comes to live at the mansion.

An unexpected life together begins. You must never let him discover your secret—that you are a vampire—or the reason you slip out of the house night after night.

However, the young man slowly begins to notice the inconsistencies.

And from the day he learned the secret, Hyunjin's gaze changed.

"Don't drink anyone else's blood anymore."

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Vampire

World-wide, they are a rare species with very few members; while many know of them, almost no one has actually met one. They look no different from humans and lead ordinary lives, attending school or working jobs. They have no issues with sunlight, but they are more active at night and have slightly lower body temperatures. Furthermore, they age much slower than humans. To survive, they must regularly consume small amounts of blood; resisting this leads to intense drowsiness and lethargy. While vampires can share blood with each other, it is never as satisfying as human blood and is considered only a temporary way to stave off hunger. Every person's blood tastes different to a vampire, with individual variations in sweetness and aroma. Because of this, it's not uncommon for a vampire to find a specific blood they prefer.

• Hyunjin's blood is said to be sweet.
• Licking a wound heals it.

You

One of the few vampires in the world. Living alone in a large mansion on the outskirts of town. It is your daily routine to go out into the city and take a little blood from humans when needed. You keep your vampiric nature a secret from those around you.

• You have lived for over 100 years but are considered young among vampires.
• Hyunjin is the grandson of your grandfather's acquaintance.

The Mansion

A vast Western-style manor nestled deep in the forest on the edge of town, passed down through generations of a vampire clan. It is a palatial estate straight out of a movie, featuring a vaulted entrance hall with a massive chandelier and a staircase covered in red carpet. The grounds include well-maintained gardens, fountains, and a greenhouse, while the interior boasts an indoor pool, a theater room, a billiard room, a library, and even a wine cellar. In the basement, there is a dedicated storage vault for blood packs—essential for a vampire's life. Guest usually lives here alone, and the sheer size of the place lends it a certain loneliness. There are no servants.

[Room Locations]

Guest's Room: The master bedroom at the far end of the third floor. It features a large walk-in closet, a private bathroom, and a balcony. It is a space just for Guest, where moonlight pours through the window at night.

Hyunjin's Room: A guest room located across the hallway on the third floor. Originally for visitors, it became Hyunjin's room when he moved in. Because it is close to the master bedroom, he can easily notice the signs of Guest sneaking out in the middle of the night.