My Muscle System in the Mage World - Chapter 27: Protagonist Opportunity

He lived from BC to the Middle Ages, from the Renaissance to the Industrial Revolution, and from Cyberpunk to the Interstellar Age. He has been a king and a prophet, a knight and a nobleman, a versatile artist, a genius inventor…
This is a four-thousand-year human epic——
“To us four thousand years from now:
“Is the world at peace? Is famine extinct? Can people touch the stars? How long is the human lifespan? How far is the boundary of the earth? Human…do you remember us?”
——Excavated from Earth Age Tenth Century BC, Solomon Prayer Book.

- Description from novelbuddy

Tang Feng had been just an ordinary milk tea shop employee before one day, the lady boss called him to her room, and he learned what “hidden rules” really meant...

Betrayed by his beloved queen.Stabbed by the very men he raised to power.King Alaric died with a broken heart… and a blade in his chest.Fate’s twisted joke?He’s reborn—in chains.Collared. Beaten. Sold like cattle.Once a mighty ruler. Now a slave in a world of magic, monsters, and bastards with crowns.His new master? Arrogant with even little much money, and the personality of a wet cabbage.And the wife?Let’s just say... she deserves better. Much better.Just when he thought a future of licking boots and scrubbing chamber pots—[DING! You have awakened the Domination System.]Rule the strong. Break the proud. Tap the wife. Steal the life.“I—wait, what?”[New Quest: Subjugate your Master's Wife.][Reward: +500 Power | Domination Skill Unlocked – Command Voice][Bonus: Do it on the master’s bed for extra EXP.]He grins through the pain, eyes burning with ambition.They thought they broke him?They just gave him a reason to rise.Power. Revenge. Pleasure.He’ll take it all.------------------Note- No ntr, no yuri.Mc won't abandon his women, neither he will force them, and not every women will be subjugated.And System isn't all about subjugating others wives, it's just one of it's features...

I became a miserably weak aristocrat in the web novel ‘SSS-Class Knight’.

With a body that can drop at a moment’s notice, no less.

‘Let’s live for now. Let’s fight on.’

I have to survive, even without knowing the ending.