I Could Summon Mythical Creatures

It was a world of sword and magic.
Kings and lords guarded the people, while mages and paladins resisted the evil.
In the continent, there were many monsters. A giant dragon was flying in the sky. In the depths of the sea, the giant demons were churning.
Infinite wealth and adventure!
I, Wharton Campbell, traveled through the modern New York in the twenty-first century.
I obtained a mythological space to raise countless mythical beast pets.
I would eventually reach the peak of this world!