MTL - Hold His Hand - Chapter 253 Interstellar Live (15)

Dying at a young age after a disappointing life. Mat thought he hit the jackpot when he got reincarnated on a tropical island as a baby. Here, exploring mysterious lands and learning magic are a reality. The world of Elydes is beautiful and magical, wild and savage. While the Guide is impartial to all, people are not. Mat has the lowest starting point possible, and those like him rarely go far. To not let his humble birth define his life, he'll need to find the determination to grow stronger and delve into the mysteries of Elydes.

This is a story about the protagonist getting the system, going crazy in the biochemical apocalypse, producing aircraft and tanks, destroying zombies, saving good people and killing bad people.

- Description from novelbuddy

In her previous life, Yvonne Taylor died with hatred. Her stepsister burned her face with sulfuric acid, and her father was brutally murdered by her stepmother. Even Zachary Leinster, her father's best friend and the man who loved her the most, died trying to save her.Yvonne is miraculously reborn and begins her revenge.When she comes back, she is no longer the playful girl everyone knew. In order to take revenge, she applies for a prestigious school, majors in business, caters for her stepmother, and even... marries Zachary Leinster, her father's business competitor and ten years her senior.

The main character is reborn as a character from a game he played in his previous life. This character falls into ruin along with the villainess, spending the last of their years together. A man named Kururi Helan.