The Hidden Heiress Is a Secret Big Shot - Chapter 9 - The Shen Family Has Two Other Daughters

Four years after the Third Nightmare, something unexpected happens. A group of people find themselves in a strange theatre, which tells them to react to someone's story...?

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

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