Return of Tower's Phantom - Chapter 21 – The World Begins to Tremble:

He was Model 72 — a crash test dummy. A being of metal and sensors whose sole purpose was to break and to be repaired. Routine crashes, routine analysis, routine repairs. Until one day, something… went wrong. Or maybe right. Now, he wakes up in Telaria, a unique world of magic and monsters, and in a body that is, for all intents and purposes, terribly inefficient.Soft flesh. Brittle bones. And as if he weren't fragile enough already, it all came gift-wrapped with something new.Pain.Every jab, scratch, and burn is a revelation. And strangely... irritating.But Axel is no ordinary human. Hidden beneath his supposedly fragile exterior is a regenerative gift so powerful that each recovery doesn’t simply restore him to his former state.It adapts his body against the very damage it just endured.[Your hand has been impaled by Crystal-Blade Grass.][Host's [Pierce Resistance] has increased slightly.][All leg bones have been broken by the ground][Host's [Impact Resistance] has increased greatly : x6][Your face has been burnt by a Fireball.][Host's [Fire Resistance] has increased greatly: x2]He hates it. Every injury is just another reminder that his human body is flawed.And yet he knows...his body can learn. His body can evolve.So, Pain?Pain is a problem he intends to solve. And only then, would he truly be complete.“There will be no need for repairs. No need for pain. No need for regeneration.”“I will simply be unharmable.”The world believes SSS Rank Gifts are the ceiling. The End-All, Be-All.Well...The world hasn't met Axel.

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

As the son of the second generation Hokage Senju Tobirama, and Uchiha Izuna, Haru suddenly had countless complaints in his heart.

However, it seemed like there wasn’t much of a problem

Because Ninja World’s strongest connections had been born!

The first generation Hokage, who has the title of God Ninja World, is my uncle!

The super boss behind the scenes, Uchiha Madara, is my uncle!

Princess Tsunade, you have to call me uncle.

Alas, this damn seniority!

As for me, Senju-Uchiha Haru, I could have been a dandy in Konoha, but in the end, I was forced to unify Ninja World. What should I do?

Fortunately, there were golden fingers…

A man without purpose. A crown without an empire. Together, they’ll rewrite the fate of a world.Hollow Crown: SSS - Ranked Godslayer's Rise[Hollow Crown System]One moment, he was a ruthless corporate CEO signing billion-dollar deals.The next, he was crawling out of a battlefield of blood, surrounded by corpses of monsters and warriors alike.A space distortion hurled him into a brutal Trial Ground where death was the only law.With no past, no allies, and no safety — only one thing answered his will to survive:[Hollow Crown System Activated]It whispered of soldiers long forgotten, of a shattered empire betrayed by the gods, and of a crown that would bow to none.From the mud of nameless villages to commanding undead legions…From small-time guild adventurer to a King feared across continents…Every battle carved his name in blood. Every victory drew the eye of the divine.And when the gods finally noticed him, they didn’t see a man.They saw a Godslayer in the making.But to reach the throne above the heavens, he must:Rebuild the army of the Forgotten Empire.Reclaim forbidden technologies hidden in rifts between worlds.Shatter kings, crush kingdoms, and defy apostles sent by the gods themselves.All while uncovering why the Hollow Crown chose him — and what it will take to claim his final promotion.⚔ Epic Progression | Kingdom Building | Tactical Warfare | Mythic ConspiracyIf you enjoy Overlord, Lord of the Mysteries, or Re:Monster — this is your next obsession.He was once a CEO.Now, he is the Sovereign who will bring gods to their knees…C.R.O.W.N - Covenant of Ruins, Order, Will and Nobility