Cub Raising Association - Chapter 67 part2

A story about a traveler who crossed into a parallel universe, relying on his Proficiency ability to continuously grind experience and become stronger.

It’s been 10 years since I found myself in the game “War of Gods: Infinite Defense.”From being the illegitimate son of the Red Dragon family, I rose to become a prominent figure, but under my half-brother’s schemes, I eventually met my demise.[Game over] [Hidden Ending: The Secret of Ray Hatzfeld]However, I was given another chance.[Discovery of the hidden ending has unlocked a new story.] [Additional content is being downloaded.] [The story of Kane Rehinar, the Grand Duke of the Water Tiger family, begins.]Not as the illegitimate son of the Red Dragon family, but as the Grand Duke of an enemy nation!“Hatzfeld, this time I will make sure you die in the most painful way possible.”

An Individual from Earth finds themselves in the Shinobi World, equipped with a Scientific System. From that moment, he delved into scientific research far ahead of its time.