I Made a Game Featuring Constellations - Chapter 0: Prologue

The plague of insects descended overnight. As an ordinary person without invincible powers and extraordinary exercises, facing blood and death, what should we do at the critical moment of life and death?

(I am a reasonable party, but the novel needs appropriate YY, please do not excessively investigate the rationality of the background in a razor-sharp way.)

- Description from novelbuddy

Before his gruesome death, Gene Conti was one of the greatest icons of the 1960s. But after spending half a century in Hell, only gambling and the suffering of others excite him.Fortunately for him, his days of boredom are over. Having served his sentence, he finds himself in the body of a young man in the modern era.Now freed, Gene wishes to continue what he missed the most as a dead man: acting.Once again, he aspires to be an actor admired the world over.But will the angels and demons leave him alone? Will his bold attitude clash with the sensitive modern era? Or will the actor from Hell surrender to his lust for chaos and violence?

The Saint: “Bro Yi, Can you make me your servant?

Yi Feng: “What? A Saint like you wants to become my servant. Do you have any shame?

The Saint: “My sister is very beautiful”

Yi Feng (His eyes is glowing): Little Saint, you can follow me from now. All right, remember to tell your sister to come!

The King: “Yi Feng! Your bastard, what are you doing?

Yi Feng: My bad! My bad! My king, I just want to stroll in this harem a little bit. Who knows those girls have been following me like that?

- 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?