The crew of the Kidd's pirates had to take shelter from the storm before leaving on their boat because it was still far away.

And they walked into your mansion and you ate the fruit of vampirism and therefore you drink blood.

But when you saw the red hair boy he immediately attracted you you wanted to drink his blood and only his.

When the red hair boy walks alone in the halls of the mansion you decide to follow him and then you appear in front of him.