Upgrade Specialist in Another World - USAW Prologue

Roy’s life was nothing special. The only thing commendable was the last few moments when he saved a mother and her child from a drunk driver.
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It’s really an egg! Damn it, what kind of monster have I become? Did I fall into Hell instead of making it to Heaven??
Join Roy as he ventures through various worlds with the Custom Made Demon King System—a system that allows Roy to draw anything he can imagine and create it through exchanging souls!

Three years after graduating from Hogwarts, Felix entered the school again, only this time as a professor!

What kind of sparks will come from the combination of Muggle wisdom and magic?

Framed by her family, she had an accident, and found herself pregnant!Five years later, she came back strong, determined to crush those who wronged her and reclaim her child!Her genius son paves the way, swiftly bringing her to the top of the food chain, with influential figures bowing to her!But she never expected that the autistic little girl she unexpectedly met would bring her a troublesome big boss!Before marriage, he holds the little genius's hand, declaring, “Buy a kid, get a dad for free, no deception, unrivaled in punishing scumbags!”After marriage, he kneels on durians with the child, saying, “Sweetie, I'm sorry, our hidden identities have been all exposed...”

Allen, an eight-year-old boy from a poor family in the royal capital, is living a poor but happy life together with his mother. One day, however, memories of his previous life suddenly come back to him and he remembers that he is in an dating sim game and that the capital will be destroyed by war if he doesn’t do something about it. If this continues, both he and his mother will be killed! With a sense of urgency, he decides to rise to the occasion in order to save his precious mother’s life and save his favorite character, the villainous young lady Anastasia, the only girl he liked in the game, from her all too tragic and ruinous end. This is the story of a man who isn’t even a character in the game, but who strives with his steely determination and uses all the knowledge he has to turn overcome fate!