21st Century Necromancer - Chapter 3 - UDI

The Main Character, Watari Karito, is a veteran player of a Military Shooting VRMMORPG.

Arthur, a young man in his twenties, suddenly finds himself inside the world of the novel “The Rise of the Sovereign Sword,” a famous story he had been reading in his previous life. He doesn’t understand how he ended up in this world, but he soon discovers that he has been installed as the ruler of a poor and small barony due to a serious misunderstanding—everyone believed he was the illegitimate son of the Duke, a man notorious for his terrible reputation and corrupt deeds.Afraid of having his true identity as an impostor exposed, Arthur finds himself in a difficult predicament.As he tries to find a solution to his dilemma, he faces daily problems stemming from this world’s extreme backwardness in terms of economy, technology, and governance. However, instead of surrendering, he decides to use the knowledge from the world he came from to change this regressive situation.Arthur attempts to spread civilization and progress in his society, fighting against outdated traditions and establishing new concepts that will improve and advance people’s lives.

Once she woke up, Su Tingyun had become a 70 year old granny.

After resigning to her fate with great difficulty, deciding to become a rich family’s esteemed mother and residential big boss, she didn’t expect that the scenario would change again.

That husband of hers who had died on the battlefield was now the cultivation world’s deity, and sent people to pick her up for celestial cultivation?

Fine, she’ll cultivate, but how did she accidentally cultivate into someone else’s body?

Changing old patterns up and playing swapping the frame…

Young man, granny is 70 this year, is your taste heavy enough?

- Description from Novelupdates

Long Fei, a cross-timer and doujin, is an otaku who traveled to another world. In the original world, he was an otaku fan of Gundam and military science fiction.

He died in an accident and was reincarnated into another world. The Gundam works he had read before his death and the techniques in various military novels could be brought to another world.

How would he use the Gundam that Long Fei created? What waves can be caused in this different world?

- Description from novelbuddy