after turning 20, a vampire monster attacked his family's mansion, killing and eating all the family members in the 1400s. Caspin, witnessing the horror, was attacked by the monster, turning him into a vampire with white hair, red eyes, and fangs. His father falsely accused him, leading to execution. Caspin, now immortal with extreme healing, the execution didn't work, so he ran away. After a few hundred years he returned. Back to his home, now being an abandoned seaside mansion.