Douluo Dalu - Chapter 103 — Seven Fusion Ability

The prospective college student Luo Ji, who is enjoying the last summer of the third year of high school, has undergone earth-shaking changes at this moment after accepting the invitation of the game friend and becoming the player of the game of “Civilization Rise”.
This is a war game between the world and the world, and it is a fierce collision between civilization and civilization!
To annex the five continents, sweeping across the three oceans, and see how Luo Ji led his people, in this powerful enemy look around, the battlefield of the heroes to fight for a battle to the most powerful imperial civilization!

- Description from uukanshu translation

[#Warning Yandere]Arthur, a 24-year-old man, was living his life normally on Earth, but until one day, on one of the most important days of his life, he died under some unexpected circumstances.But this was not the end as Arthur had expected, as he was reincarnated in the body of a 17-year-old handsome young man. However, the world he was reincarnated into was not a normal one, as things like magic, which he had read about in novels and manga, were common in this world.Yet this was not the most surprising thing he found out, as the people living in this world had reverse gender morality.Arthur didn't get a cheat like those protagonists in the novels he had read. However, due to his greedy personality, he unexpectedly found himself as the owner of one of the greatest treasures of the cosmos, which didn’t tell him anything other than showing a strange riddle.[You have become the owner of Ethelarion Replisis][Name: Arthur]#Ability: I am the shadow that walks with you,Not quite the same but near and true.Half the strength but have many faces,Absorb me to reclaim your grace.Five years ago, when Mana first came to this world through a portal that opened due to foolish nuclear testing by some power-hungry country, but that was not the only thing that came as terrifying monsters also arrived with it.On the brink of their last hope being lost, by some miracle, another portal opened, through which a single female elf came, who wiped out these terrifying monsters in only half an hour. However, it didn’t stop there, as now Elves rule the magical Earth, and against absolute power, no one stood against her.___________#No NTR#No Yuri

Takebayashi Ryouma, a 39 years old man with hidden past, found himself in a strange white room. The gods tell him that he has died and that they are sending his soul to a different world, a world where magic exists. After living alone for 3 years, his gamer soul loses its common sense and starts along crazy routes.

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?