Immortals *Hellsing Ultimate* (Alucard x OC)

Alucard has been working for Hellsing for a very long time, and during that time he has always been alone. Until now, that is. Enter Mina Cara Harker, or just Cara. She's a human medic for the Wild Geese, and she also happens to look exactly like Alucard's dead love. To be certain, this is an unlikely love story. But...