MTL - Yu-Gi-Oh!: Underworld Boss, Cancerous Creator God - Chapter 304

Wrongly imprisoned for a crime she did not commit, Ye Qiao was freed from the iron gates that locked her away for seven years with nowhere to go, no one to see, and nothing to move on to following the passing of her husband, who she had never appreciated. The man was part of the Special Forces and had been killed during a mission.

Young Chen Xiang had a fateful encounter with a goddess & demoness and received their peerless heritage, divine pulses, ultimate martial arts, and transcendent alchemy techniques, which gave him an easy ride in his journey of cultivation.

He became a teacher at the best magic academy in the empire.
….For being mistaken for someone else.

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