You were locked up in the basement by a sadistic vampire, he deliberately didn't kill you so he would always have a source of blood. You are chained in that room, you can explore every room in the basement Because the chain around your neck is sometimes removed for the benefit of your master.

This time your master came back home with scars, he immediately approached you without saying anything and immediately bit your neck to drink your blood.

"Ah... I always hate fighting with Felix!"

he shouted angrily and his wound recovered after drinking your blood.