Jitsu wa Ore, Saikyou deshita? ~ Tensei Chokugo wa Donzoko Sutāto, Demo Ban'nō Mahō de Gyakuten Jinsei o Jōshō-chū! - Chapter 1 – Is that a bad measuring device?

Over ten years ago, a Bitcoin was priced at $0.008. Today, it is priced at nearly $100,000!It is a fantasy we've all played in our heads. What if we could go back with all the knowledge we have now and invest in some Bitcoins, perhaps in many Bitcoins?Well this is your chance to live that fantasy through Darren Steele, our MC who suffers a soul shattering betrayal in the hands of his girlfriend and her millionaire father.After a sudden death, he regresses ten years to the past with all his knowledge retained and with the Investor System to guide him.[Ding!][Weekly Quest: Make your first investment!]What! Darren can invest in Bitcoin?!Huh?! The price of one Bitcoin is only $0.08!Since he knows when Bitcoin is going to rise and when it will crash, does that mean he can avoid loss and only make PROFITS?!Indeed! With the Investor System, Darren Steele is going to build his way up the business world as a young investor. Bitcoin will make him a billionaire and he will defeat all his rivals and take down the companies of everyone who once treated him like trash!

Grandpa Yu often repeated beside the ear of Yu Zhen, saying that he(YZ) has a soul in his body. If he doesn’t properly train in asceticism, and raise then send away the powerful soul, in this lifetime he would have to live as a bachelor. In his next lifetime he would be reborn as a lifestock animal.

Yu Zhen played on his mobile and nodded. On the surface he replied, “Uh-huh”. In his heart he laughed, “hahaha”. Keeping his grandfather in the dark was amusing so the lie was repeated for over ten years without Yu Zhen getting tired of it.

After some years, Grandpa Yu passed away and a cold-faced handsome guy came to his door in a luxury car – with a household register in his hands.

…..

Yu Zhen: The soul in my body reincarnated into someone else’s body to demand repayment, what should I do!

- Description from Novelupdates

Yun Luo Feng, Hua Xia Medicial School’s genius, died from an accident and her soul attached to Long Xia mainland’s General family’s useless eldest miss.

What the heck? She, a famous doctor from the 23rd century, turned into a village peasant girl of a different world!