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.

Reborn in a world where people can communicate with elves, Yang Fan becomes a gym leader who is about to inherit the gym.

But because his initial Pokémon was an extremely weak and timid Ralts, he was about to be kicked out of the gym as the gym review was imminent.

At this critical moment, obtain the elf development system.

"Your Larulas, blaming himself for being too weak, decided to mutate into darkness and evolve into Kirlia!"

"I'm so happy that your jackrabbit is going to square dance with you. I'm giving you my treasured mega stone!"

"Your Milotic has activated a skill buff because of taking a bath with you. The power of all water-based skills has increased by 30%!"

Chi: The only gym I haven't fought in is Yang Fan's!

Lan: All of Brother Fan’s elves like him so much, I’m so envious!

Before long, everyone discovered that the once dilapidated gym had somehow become the pinnacle of two worlds, and even traces of mythical beasts could be seen lurking within the gym from time to time...

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 **)