Lin Lanjian traveled to the Collapse Iron World, binding to a system and gaining the power of gods and demons with a single thought! With unparalleled combat prowess, he traversed the universe with a single sword, leaving behind countless legends. "You... are the meaning of life I seek..." The firefly girl, Liuying, whispered dreamily, watching the receding figure, warm as the sun. "I will search for you, no matter how far or how long," the knife-wielding girl, Huangquan, held a red paper umbrella to shield herself from the falling thunderstorm, her murmurs calmly and firmly. ...Swordsman of the Interstellar Peace Company, partner of the Black Tower and Ruan Mei, unknown guest of the Starry Sky Train, Sunday's brother-in-law... Lin Lanjian, with his countless identities, had a fleeting thought of beautiful women. "Which wife should I spend time with today?" he couldn't help but worry.

Su Ze is a professional gamer who, by chance, comes across a disc of a life simulator while studying in Japan. He wakes up to find that ten years have passed. Not only does he have a son and a daughter, but he also has a wife named Erina Nakiri, who seems to have been accidentally brought from ten years ago. According to the simulator's first level, to return to the past, he must fulfill three goals in the life simulator: make his wife happy, and make his children successful and reputable individuals within their respective industries. When his future wife, Erina Nakiri, expresses a desire to return to a decade ago, Su Ze, who has been living a simple life, decides to defeat the game. If life is a game, then as a professional gamer, Su Ze will never lose! (Current worldviews: Food Wars! Shokugeki no Soma, Prison Academy, Sakurasou, etc.) This novel is also accessible to those who haven't read the original novels.

My name is Ze Lin, and I was accidentally brought to a collapsed world.

I will become the firewood that illuminates the road ahead, guiding the direction of the future. Even if it means standing on the opposite side of them!

…

This is a story of mutual redemption...

"...the only place where my blood still beats..."

"Now, I entrust the flame of humanity's future to you... Kiana, I am proud of you."

"If possible, let this raging fire consume everything."

Born from nothingness, ending everything with existence.

P.S.: The original tag was "single female lead", I don't know why it was changed. (It was set up by **)