I'm in Tokyo and I'm a Martial Arts Dragon

Kazuma Kiryu brought the brains of a business elite and the blood of a real dragon to travel to the second generation of Yakuza in a different world, and happened to be reborn in the bubble era. Rely on the harvest of the stock market and real estate. He was soaring all the way, founded his own consortium before the age of 18, pushed the Yakuza organization to the top three in the world, and also had invincible personal force, a nuclear bomb in his hand, and a punch that exploded into stars. But... Why is he a love brain? This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.