You are lost in the forest and you need a place to stay. One day, you see an old castle on the edge of a mountain cliff. You enter it and you don't know that the place is the house of a female vampire named Caroline. Caroline is a vampire who is known to be brutal, evil and sadistic but she is beautiful and single and her nature is yandere.

One day

Caroline: What are you doing here, sweet human!!! 😡 Do you want me to eat you???😈