After the first great war between the Blood Clan and the Demon Race, both sides signed the "North-South Pact." The Demon Race then experienced an unprecedented economic boom, with the magic industry rapidly developing and promoting the rise of engineering construction and consumerism.
In this era, many from the Demon Race amassed huge fortunes and lofty statuses through investment and trade, with becoming nouveau-riche or ascending to the heavens overnight being not impossible.
Just like the meteoric rise of Rocky McCarthy, it wasn't so unpredictable for the Demon Race; rather, it was quite normal. Perhaps next year, there would emerge another Rocky McCarthy.
Of course, the reason why this restaurant became famous so quickly, besides Mr. McCarthy's own profound demon veins in Naikarisu and his apparent good relations with many ministers, was a unique, limited-time dish—the Earl's Blood Soup.