Naruto System in One Piece - Chapter 409

Until he became the lowest-ranked master, his lonely and luckless life never changed.Suddenly one day, a descendant injected him with a nanomachine, and the machine started ‘speaking’ to him.[I am the seventh generation Nanomachine manufactured by Sky Cooperation, and I am operating as a central nerve connected to your brain.]“What? What are you talking about?”This was beyond the boy’s knowledge, he turned pale.The Nanomachine linked to his cerebrum realized the User was not understanding a single word it said.“Who are you, and why are you doing this to me?”[“I am the seventh generation Nanomachine.]“Nano Machine?”[Yes, Nanomachine.]The boy’s face hardened.Mashin was the deity the Mashin Religion worshipped, along with the Sacred Fire.The religions’ Master communicated with Mashin.“Um, are you really Mashin?”The boy knelt down and asked with a trembling voice. At this, the Nanomachine attached to his cerebrum realized it had been misunderstood.

[Ding!][Cashback System Activation Requirement Met!][System Binding In Progress...!][System Successfully Linked!][Spent $1,000. 10x Critical Hit. Earned $10,000. The money has been transferred to account XXX-XXX-XXX][Spent at least $1,000 on a beautiful lady. Received 1 lottery ticket. Do you want to use it?][YES][NO]Kyle was a man that has never had any luck in life and he was on the verge of ending it all after being fired from his minimum wage job due to a customer's complaint which turned out to be a lie but due to the customer being an attractive lady, no one believed Kyle.To make matters worse, he had to pay for the damages that was caused by the customer.Beautiful people, they had it easy, didn't they?This was his last step and he knew that he wouldn't see tomorrow as he searched for a river to throw himself in.He thought his mind finally broke as there was no explanation for the Cyan Screen that popped up as he clicked the [YES] button.[You have drawn Charm!][Charm: There is nothing the user can't charm his way out of or into! The universe has blessed you with charisma!]“Hahaha! I must have lost my marbles...” Kyle muttered to himself but his phone soon rang out to show that he had a notification.And to his surprise, he saw $10,000 sitting in his account and his jaw dropped.“THIS IS FOR REAL!!!”

A great demon king who came from another world to conquer Earth. To save the Earth, Li Luyou could only first take care of this great demon king… a little girl proclaiming herself Her Imperial Princess.

- Description from Novelupdates

Time travelling from the majestic era after the Recuperation of Reiki, he became Kimura Kazuki, a 16-year-old high school student in Japan, one year before the Reiki Recuperation.

Tentatively, he set out to hone himself to the bone, burning candles at both ends to stockpile resources in preparation for the imminent Recuperation of Reiki. His goal was to be many steps ahead of all humanity when the time comes.

However, it seemed like fate had decided to play a cruel trick on him.

One year later, the Recuperation of Reiki… did not happen as expected.