Invincible! This person has lived for a billion years - Chapter 9: No one is allowed to leave

[No R-18 scenes]Princess Viana Yanis's life took a dramatic turn after she was married off to a very wealthy Count to save her kingdom's failing finances.Unable to endure her husband's cruel and harsh treatment, she decided to end her life.However, she was given a second chance to live, and she chose to take it.Armed with the knowledge of her past, and supported by a special System, she took various actions to save her kingdom from financial ruin.And she sought revenge on everyone who had hurt her in the past...#regression

A soul from modern planet transmigrates into the Naruto globe as well as incorporates with Kakashi's soul after the kyuubi's assault. A brand-new experience starts ...

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

He had crossed into the dark, ruthless Wizard World.Lucien found his system somewhat different from the usual golden finger.System upgrade points? Chip activation?None of these, but rather becoming a role model, transforming into a nurturing breeze:Teaching students knowledge, receiving advanced knowledge in return.Caring for and maintaining students, earning generous rewards.[Your student has mastered the Magic Potion “Kuru's Cough,” congratulations on acquiring the improved formula “Kuru's Cough - Enhanced”!][Your student has mastered witchcraft “Fireball,” congratulations on learning witchcraft “Greater Fireball”!][Your student has successfully crafted the wizard's tool “Pale Mask,” congratulations on acquiring the wizard tool’s manual “Revised Pale Mask”!]Initially, Lucien was resistant.But after experiencing what it was like to teach disciples and outdo them, Lucien felt he had completely transformed into the form of the master system.This thing, isn't it much more useful than something called Cheating Device?