MTL - The Rise of Space Technology - Chapter 17 , the whole school knows

Lu Zhiguang is not a cannon fodder himself, but his mission is to save the miserable cannon fodder.

Before her rebirth, Song Ran lived a lone and miserable life. Her innocence and naiveness cost her fortune. Her family assets was wasted by the stepmother, and her man stolen by her very best friend. After she was reborn, having the scales fallen from her eyes, Song Ran learned from her mistakes. The first thing she needed to do was ride on the coattail of her man with a promissing future, Mr. Gu.

In the winter of Taikang Year 3, a girl pays a visit to her future in-laws, the Ning Family of Beiliu, Yangcheng.

After her engagement was denied, the girl decided to hang herself in front of the Ning Family to show them her sincerity.

When the girl who had died opened her eyes once more, many people’s fates were changed forever.

- Description from Novelupdates

Bob was a good guy. He had done everything you were supposed to do. He exercised, he kept to a healthy diet, he'd studied hard, gotten excellent grades, and was working towards his masters. Somehow, things just weren't working out for him like he'd been told they would. He was stuck in a thankless position, constantly passed over, and it seemed that the only being on earth that cared about him was his cat.

Then things got worse.

Never back a man into a corner unless you want to find out just how hard he can fight.