Re:Zero Kara Hajimeru Isekai Seikatsu - Chapter 92Arc 7, - ”Rekindling Old Ties”

Sky is not born of Shen Huan, millennium is like night.

This is a rebirth who wants to release himself, and has an interesting life story after getting a less serious system.

- Description from Uukanshu

[sweet, pampering][strong FL, 1v1]He was an absolute noble, decisive and cold-hearted, yet he was persistently entwined with her, doting incessantly.The first time they met, he questioned, “Six years ago, was it you?”The second time they met, he was holding a paternity test, “You still dare to say your son isn't mine?”The nth time they met, she finally lost her patience, “Sir, will you ever give it a rest?”The man lifted the corners of his mouth, smiling with a deep and enchanting charm, “Not before our second child is born.”

After waking up in the body of the Young Master of the Luo family, he finds he has the knowledge of hundreds of games and Light Novels. However, he finds his Dantian is crippled, so he can’t practice cultivation! Luckily, he has the Upgrade system.

I am merely a reviewer, albeit the products I review are slightly different. For example, I review quantum computers, artificial intelligence, anti-gravity mech armor, planetary engines, sublight colonial ships, stellar detonators, etc…