My Vampire Guy

On a moonlit night, a handsome vampire saved a little girl from two men and took her to his castle. At first, he intended to help her until she woke up, but then he had to take care of her because she lost her memory.
The single man suddenly became the brother of a little girl and he had to take care of and teach her until she became an adult.
- Samson, what are those two doing? How are they related to each other? – Lucasta asked when she saw a couple hugging and kissing.
Samson's eyes followed Lucast