I Loaded up My Sister's God Game

Hideyuki Minamoto, a time traveler, is an ordinary high school student in the extraordinary world. He is working hard to support his family. His original dream was to send his sister to college and live a life of leisure... Until he awakened his digital abilities and entered a weird and mysterious world. The martial arts tree that condenses the Tao seeds in the void; He walked out of nothingness, and after being killed, he could also return from strange stories, as if he had buried a world's imaginary disaster. Starting from an ordinary person and gradually reaching the top of martial arts, Minamoto Hideyuki firmly believes that God rewards hard work and that as long as you work hard, you can become stronger! And as he continued to explore, everything in the game turned into reality! There's nothing wrong with this one, it's just that... He seems to have a lot of sisters! Also, how did the historical figures in the copy appear in reality?