Twin Reincarnation: Epics Of The Worldline - Chapter 13: Last training

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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- Description from novelbuddy

In a time when the Divine Prefectures of the East Sea were in great disarray, Emperor Ye Qing and Donghuang the Great appeared to save the day. Under their rule, the prefectures united and all nations as well as their kings have been controlled. However, the legend of these two great heroes becomes altered when Emperor Ye Qing’s name is wiped from the history books after his sudden death. All statues and images of him were destroyed and his name a taboo. Only the legend of Donghuang the Great shall live on.

Fifteen years later, a young man by the name of Ye Futian begins his journey in search for his true identity. The legend of Futian was going to be one for the history books.

The person whom the world revolves around.

A literal ‘red flag’ in a world that sees her as a threat.Excerpt:“You shouldn’t be here,” Zenon growled, his voice low, eyes dark with conflict as he leaned away.Elira looked up at him, lips parted and swollen. “Then why did you kiss me?”“I couldn’t resist you.” His arms tightened around her waist instead of letting go.“Then don’t,” she said, without breaking the gaze.“Remember, you asked for it.” Zenon’s eyes darkened with desire as his lips found the perfect spot on her neck.---Elira Shaw was never meant to shine.Born an omega to a once-respected Beta bloodline, she’s lived as a ghost in her uncle's home, the acting Beta of the Ashfang Pack.After her parents' mysterious deaths when she was thirteen, Elira became little more than a servant to her aunt and cousin, Regina, the flawless Luna-to-be, groomed to marry one of the Alpha's sons.With no rank, no power, and no name worth remembering, Elira has long accepted her fate.But her fate transforms on her 18th birthday — the night of the grand mating ceremony.Not one, but the wolves of all three of Alpha Cyprus Ashford’s sons recognize her as their mate.The pack erupts into chaos. Regina's engagement plans crumble in fury. And Elira, the despised orphan, is suddenly the most important wolf alive.