In the Second Generation of the Trench, He Changed To the Ruanfan Script - Chapter 25:

Three years into Qin Yu's marriage, his wife and in-laws all hated him.

In the era of interstellar warfare, every melee mech will be paired with a long-range sniper mech to cover the battle.
The sniper mecha master Yan Xueshan (beta) and the melee mecha master Arthur (alpha) are just such a pair. The two have been together for six years.
The upcoming Armageddon is a near-death battle.
the day before.
Yan Xueshan: “Remember to write a suicide note in advance.”
Arthur said frustratedly: “I have only one regret. If I die this time, I will be a virgin until I die.”
Yan Xueshan snorted coldly: “…no promise.”
Arthur asked pitifully, “Master, can you fulfill my dying wish??”
Yan Xueshan: “?”
How absurd.
But Yan Xueshan thought about it, this is his comrade-in-arms, whose life and death intersect, chastity counts as a p- OK, I agreed! !
However, after the Armageddon, none of them died.
Not only did they become war heroes, Arthur also turned into a federal prince.
Arthur took out the marriage application, just one signature, and said honestly and faithfully: “Master, didn’t you say that you will go back to get married and retire after this battle? You help me fulfill my wish, and I will help you fulfill my wish too!”
Yan Xueshan: … something seems to be wrong?

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Search keywords: Protagonist: Yan Xueshan, Arthur ┃ Supporting role: ┃ Others:

- Description from novelbuddy

“If you were the supreme master of the Dao of Immortals, revered by countless beings, able to glimpse life and death, and understand the destiny, what kind of woman would you seek as a partner?”Jiang Feng: “I would marry an eighteen-year-old.”“...do you want to die?”“I'd rather die to marry an eighteen-year-old.”

Jiang Yun died in his original world, and his spirit traveled to a cultivation world as the Holy Son of the Sacred Land of Mist. However, his new body was severely injured from being attacked by demonic cultivators and having his Sacred Bones stolen.As he was in despair, a voice from a System, known as the Villain System, sounded. Initially, he was shocked because of his experiences, which seemed like the destiny of a protagonist. However, when he discovered that his junior disciple was the true Son of Destiny and had stolen his Sacred Bones, hiding them, and was a spy for the Demonic Sect, Jiang Yun realized he was being framed. The junior disciple created false accusations against him, causing other disciples to dislike and reject him, including senior and junior disciples who shared the same master.Without hesitation, Jiang Yun decided to become the Villain. He planned for survival, gathered resources, amassed forces, and acquired subordinates. Eventually, his master decided to remove him from his position as Holy Son. He then chose to leave the Sacred Land. When he encountered an Emperor Spirit, he learned that the world was about to undergo a dramatic change in the near future. Thus, he established a Sacred Land for those who were despised and abandoned by heaven, or for those who shared his ideals.