Twin Heroes - Chapter 21

Having transmigrated to a new world and becoming an ordinary Blacksmith in a Blacksmith Shop, Ye Feng shortly has the Master Blacksmith System activated.

Wen Xuxu is a tenacious, talented, smart and brave woman who was fostered by the Yan family at the age of four when she lost both her parents.

Brought up to be the successor of a huge conglomerate, Yan Rusheng is an aloof, intelligent and arrogant man who is the most sought-after bachelor in the capital city.

Despite growing up together, both of them seem to treat each other as an eyesore. She labels him as a jerk and womanizer while in his eyes, she is a shrew.

Over time, they fall for each other, but they continue to conceal their feelings for each other. By a twist of fate, they are forced into a marriage. And unknown to everyone else and Yan Rusheng, she has harbored a deep secret for many years…

- Description from Novelupdates

While enjoying the favor of a handsome man, she learned that her country was ruined and her family was destroyed. What should a fallen princess do?Xiang Ying says, of course, she should use space to her advantage, empty the palace, and leave nothing for the enemy army!As the captain of a post-apocalyptic infrastructure team, she was thrown into a book by an explosion.The enemy army entered the palace, famine was impending, and she was encircled as a prisoner of war, taking care of three children.Such a catastrophic beginning made Xiang Ying exclaim, the good days are coming!Compared to the post-apocalypse, what is this?On the road to exile, while others suffered, she enjoyed melons. When everyone else was munching on dry bread, Xiang Ying and her children were savoring sumptuous meals.Everyone grew thinner, except for the three children who remained plump and cheerful, patting their bellies and saying wildly: Mother, we can’t eat any more, really!Xiang Ying, holding hot pot, milk tea, and roast chicken, enjoyed the scenery along the road, hoarding supplies as they fled, making life more flavorful.The villainess mocked her: What use is only having food? You're still a conquered slave!Xiang Ying pulled out the Imperial Jade Seal: Right, from today onwards, I will be the Empress.The enemy army was dumbfounded; she never said the thirty thousand wanderers she brought were elite troops!On the day Xiang Ying restored her country, the man who accompanied her through hardships held her hand.Jie Chen: For the sake of our three children, can we finally become official?Xiang Ying: Men should keep to their places, not seek a title.Jie Chen: ...With the country as my betrothal, my Jade Seal and my nation are all yours.Xiang Ying: Deal! Tonight's our wedding night!

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?