After Marrying a Vegetative Princess, I Went Crazy With Joy! - Chapter 150:

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!

I was reincarnated as the heiress of a conglomerate in the novel. However there was a problem, this world was about to be destroyed by a virus monster. All I have left is money, I quickly bought in the countryside and built a shelter to avoid monsters…The world went down much faster than I expected, f*ck! And somehow, even the male leads are trapped with me in my house. But it doesn’t seem like these two wanted to leave. Why is it as if you guys have no intention of going to the female lead? “What the hell are you?” “I think she knew about the fact that the world would be destroyed.” They had a lot of questions for me but I couldn’t answer them. It’s not like you’re going to believe me anyway, right? Now, in my eyes, they just look like good manpower resources. “Now let’s get to work, pay as much as you eat!” If we manage to find a cure for the virus, the cause of the world’s collapse, our hellish times will be over. So, let’s roll the male leads until then and hold out! But there’s one problem. This old mansion I bought turned out to be quite suspicious. What the hell is going on in my house?

Zhen Yuanbai, the good student, accidentally injured Shi Bufan, the school bully, after a crash. Blood spilled everywhere.

A tale of an ordinary senior high school student who becomes a legend by dispensing plagues and controlling vicious virus insects.