In Naruto as Zhongli - Chapter 2: INAZ - 1

There are only two things in Bai Tang’s life that are deeply rooted in her heart. One, fighting and killing, and two, tempering her treasure sword, Canglan.

What? Let her guide the blackened big boss? Since when is she the type to do such a meticulous work?

Hence.

“The host really doesn’t play the cards according to common sense at all!” System 168’s heart expressed extreme fatigue.

Wen Su, who came from the abyss full of bones, said, “If my family and friends loathe me, then I will disregard human relations and disown all blood relatives. If the whole world loathe me, then let blood flows into rivers.”

Bai Tang: Good boy, I will feed and clothe you, give you housing and transportation, poems and distance will also give you. Just be a good person! I will not point a sword at your heart, nor imprison your body with an iron cage.

Wen Su: Oh, but the only thing I want is a wife just like you.

I was in the abyss, but then you came in carrying a poisonous light. But why weren’t you burned by the poison? Since then, unable to forget, I put away my body full of spikes and thorns.

A slow burn love story about a female black lotus big boss VS a scheming villain.

- Description from Novelupdates

Reincarnating into another world without having to start from the bottom was certainly a good thing.

However, what if the first place you appear is inside a coffin?

This is what Qin Yuan experienced.

While he had boundless strength, he was already at the end of his age so he had to seal his body.

The only thing he could do was to leave with a Spiritual Body whose strength was extremely limited.

The good thing is that there is a system that suddenly appears.

Ding

[Collect Karma Points.]

[You can buy anything with Karma Points.]

[Use 100 Karma Points to purchase a one week life extension.]
...

Like most candidates, Zlatan's dream was a simple one. To pass the hunter's test, join a guild, hunt monsters and reach the A-class.Eventually, as he dreamed of, he achieved it hundreds of years later. Having sacrificed more than he could take in, using the most unthinkable and brutal measures, he became an S-class Hunter instead.Obtaining the Copper Flame back then after the Aura Awakening Ritual, that was his greatest flaw. Taking a span of 80 years to reach a D-class. Still, Zlatan Elmore became the most powerful hunter to exist.Falling on the battlefield against a Two-horned Dragon, he suddenly awoke as his 30 year old self. Given another chance at life, he didn't only have his memories but he's also given a Blank Scroll. This mysterious scroll doesn't only speak, its omniscient!

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?