Adolescent Adam - Volume 4, Chapter 8 - Song of Songs

She was reborn in the 1970s, when there were no mobile phones or TVs, people lived in poverty and marriages were arranged by families. He, the wealthy and powerful head of the regiment, who governed the local army, helped her join the army so that her family would no longer be bullied and could live a good life. And Suddenly, he proposed marraiage to her...

A good-for-nothing man married a beautiful girl but was kicked off the bed on the wedding night. Furiously, he wrote a bill of divorce and ran away.
He was schemed a car accident in which he nearly lost his life. However, it turned out to be a blessing. He swallowed the soul that passed through the outer world, thus obtained superb medical skills and martial arts.
Later on, with the silver needles and invincible martial arts, he embarked on the road of counterattacks and was committed to his great dreams.

- Description from Novelupdates

Check out the new book “CEO Hubby: Too Fierce!” and show some support~ When the cold, domineering, and scheming male god turns into a wife-slave, blinding countless people with his titanium alloy eyes.One day, Su Wanxia propped her thigh over her other leg: I'm so tired from shopping today.Mu Yingchen hurried over to her side: Baby, come, let your husband massage your feet.Su Wanxia: I'm thirsty.Within 5 seconds: Baby, here's your water.Su Wanxia: I'm sleepy, want to rest.Mu Yingchen's eyes immediately lit up: Baby, I'll carry you to rest.A moment later, Su Wanxia was on the verge of tears...Another day, Mu Yingchen was in a meeting when the phone rang, causing the senior executives to panic, wondering who had the audacity to not silence their phone.They watched as their CEO leisurely pulled out his phone, glanced at it, and his stern face immediately softened, smiling broadly.That smile made their hearts tremble.The way he said “Baby” made them shudder from head to toe.Then they saw their CEO disappear in a flash, leaving the executives completely disheveled in his wake...

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?