MTL - Immortal Becomes a Stay-at-home Dad After Return - ~ 537 Auntie, you are stealing the concept!

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

Thirty years ago, a meteor fell and the divine ruins appeared! Some deities emerged from it, feeding on humans. Since that day, humans have become food for the deities, except for me!Because I feed on the deities.

When an era came to an end, various forces set foot in cultivation to compete for immortality. A young boy who spent most of the time sleeping got lucky in the troubled times and became an unparalleled immortal who could cover the sky with a snap of fingers. Was he going to live forever?

- Description from Novelupdates

********(WARNING: This novel’s MC is Laurence’s disciple, since both of them love to cuss at everyone’s faces…. Just kidding! xD xD. Just like my other work that has a warning at the top… So, please read at your own risk! ^_^)*********Not all villains are evil. Sometimes, their experiences and how others treated them shaped them into what they are today.*********“How amusing! Do you really think that being labeled as a [tyrant], a [bully], and a [villain] would be that outstanding?! Why don’t you come here right now and let me punch you in the face so that you can wake up from your f*cking delusional sh*t!”*********In his first life, for some unknown reason, he was betrayed, framed, and stripped of his status as a noble and labeled him as a “traitor” or in the worst case, a “villain”.Now, as he faced execution and prepared to die when suddenly an unknown entity called [system] offered him a chance to be a world-hopper and complete various tasks in different worldlines. The system also promised him to grant his greatest desire should he ever consent to be bound by the [system].With no other choice, he accepted the entity’s offer and after millennium years’ worth of transmigration, for some unknown reason, the system prompted him to be reincarnated back to his first life that he had forsaken….As the “villainous” Third Young Master of Marquis Chevalier Household from Stellarus Empire.