Overview:

One day, she is trapped in an old mansion by humans with advanced technology. There wasn’t enough blood to escape the mansion, so the main character, a human, wandered into the starving place and decided to use the blood for food.
They try to use humans to destroy the barrier set up throughout the mansion, but…

Basically, you earn the vampire’s trust by taking care of them (sucking their blood, cleaning them, etc.) and talking with them, and they gradually begin to forgive you.
Claire, who was arrogant, was given medicine while she was sleeping, and by directly hypnotizing her, she gradually started doing naughty things.
(Even without medicine or hypnosis, you can attack if you increase your likeability)

In this game, four statuses change depending on your actions when living with a vampire, and you can raise them up to a maximum of 5 levels.
The vampire’s portrait will change depending on the four main statuses.
You can also admire vampires by decorating them with various items!
It’s also good to increase your likeability and flirt!
You can also just explore and escape the mansion without doing anything!
The choices you make will vary depending on the person…!