She Lives Well with the Shopping App in the 80s - Chapter 31 - This person is startled at every turn

A naturally timid engineering student found himself transported to France before the grand revolution, only to become the older brother of the future Emperor Napoleon for some inexplicable reason. Now, he faced a crucial decision: would he seize this opportunity to create his own remarkable destiny or merely cling to this lifeline and drift along?

Witnessing her boyfriend cheating on her with her bestie, Shiyao was so angry that she went to a pub for fun and met a man, who was really a piece of work. After a crazy night she fled away, but was embarrassed to know that the man she slept with was her boss You Ze.
Jesus, give her a break!

- Description from Novelupdates

You take up a student career.

Student career upgrade to lv.7

Acquired skills: primary school knowledge, junior high school knowledge, high school knowledge.

You take the college entrance examination,

You got a perfect score.

Your basic occupation has been upgraded to lv.9, and the job transfer system has been activated.

You change jobs to become a scientist, you gain R&D skills

You use research and development skills to get space fortress construction technology

You use R&D skills to gain starship technology.

You are invincible.

- Description from novelbuddy