Complex sentence: Although he is the descendant of the noble vampire Dracula who would go to the human world to suck blood, he shows no interest in the vampire lifestyle, preferring to indulge himself in Japanese culture and media.
Split into simpler sentences: Although he is the descendant of the noble vampire Dracula who would go to the human world to suck blood. Unlike his honored ancestor, he shows no interest in the vampire lifestyle, preferring to indulge himself in Japanese culture and media.