I'm Very Happy After Marrying the CEO Husband According to the Agreement - Chapter 23: Don’t you come over here

(Naruto + Single Heroine Tsunade + Romance + Action)A failed author transmigrates into the Naruto world, becoming the younger brother of Konoha’s White Fang, Sakumo Hatake, and the uncle of Kakashi. He gains a cheat ability—enhanced cellular activity.Coincidentally, just before the Second Shinobi War, he participates in a Jonin meeting where he supports Tsunade's proposal ahead of Dan Kato, marking his first encounter with her.From then on, he launches an intense pursuit, winning her heart during the war.Tsunade: “Kawakaze, why do I keep losing to you?”Kawakaze Hatake: “Because I’d like to live a few more years...”Kakashi: “My uncle is amazing, I’m his biggest fan!”Kawakaze Hatake: “Keep it low-key, keep it low-key.”

“Shit... Why did it have to be this?”I thought I had time.Time to explore this brutal, unforgiving world.Time to understand the soulsborne death game novel Echoes of Agony.But no. Fate had other plans.I woke up to a realm of madness... a cursed world where death is just another beginning.And worst of all, I woke up as an Extra that died right in the first chapter.The rules are stacked against me. The world is out to crush me.Everywhere hides an enemy, every step could be my last.How can I change it?How do I survive This Forsaken World...In a world where only one rule reign supreme“ Evolve.. ”Or you're nothing good but Dead....

Sister in law: “Qing, why is the eggplant you planted curved?”Li Qing: “What do you understand? Only curved ones are more enjoyable?”Sister in law's face turned red and she said, “Why are cucumbers straight?”Li Qing chuckled mischievously and said, “Only straight ones can go deeper.”

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?