7th Demon Prince Jilbagias' Chronicle of Demon Kingdom Toppling - Chapter 86.1 - Spread Your Wings

One day, a gallery appeared before my eyes.…And then I was able to see who wrote in the gallery.All the heroines are ‘virg*ns’.

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

The most feared Assassin in the world died because of vengeance.