Fairy Tail: I Don't Want to Be the Guild Master - Chapter 261: Sense of Crisis

Xiao Ze, who was dedicated to the people and vowed to become a generation of Ming Jun, accidentally fell on a little lady.
The little lady was born beautiful and lovable.
So Xiao Ze accepted his life and got the name of fear.

ps:
①The male protagonist has no concubine, and he is dedicated to serving the country.

- Description from novelbuddy

One minute, she was spiraling out of her scooter, watching in horror as her fried chicken flew into the horizon. The next minute, she was signing the contract to become a mother to his sons while staring into his glacier blue eyes.“The contract is effective as of now” He announced, as he dropped the pen. His brow was lifted challengingly and his voice reverberated around the room, bounced and sent zings of electricity down her spine.She tilted her head to a side, studying him covertly as she smiled menacingly. She was going to make him regret his decision.Let the games begin..!

Luo Ling, an expert in the art of disguise, was bound to a System and was eager to begin his task.

As a result, before even successfully completing a mission, he got married!

At a 36 degree angle, Luo Ling sorrowfully looked up into space: “Tong’er, tell me, do I still have a chance to free myself?”

System: “… Your man is behind you.”

Luo Ling: “!!!”

The person who arrived, gathered Luo Ling in his arms, hugging him from behind as he said in a bewitchingly dangerous tone: “Based on your thoughts, it seems that I have not given you enough love. So let’s proceed in exploring ways to continue a new life.”

- Description from Novelupdates

After Reincarnating into Naruto World at the Warring State Era as an Uzumaki, Masahiko thought that he got a useless System. He lived for 48 years as a normal, below average Uzumaki Shinobi.

That changed when he finally knew how the system works the day of his 49th Birthday!

- Description from Novelupdates