My Sword Intent Can Be Infinitely Improved - Chapter 45 - : Double the Reward

This is the story of how I became the greatest genius in the history of humanity, destined to go down in the annals of history for all eternity!This is the story of how I made humanity what it is today.It all began on a fateful night in New York. With a certain peculiar dream.The Universe is grand and mysterious. What's important remains hidden...

A continuation from where High School DxD Volume 25 left off.

A good-for-nothing man married a beautiful girl but was kicked off the bed on the wedding night. Furiously, he wrote a bill of divorce and ran away.
He was schemed a car accident in which he nearly lost his life. However, it turned out to be a blessing. He swallowed the soul that passed through the outer world, thus obtained superb medical skills and martial arts.
Later on, with the silver needles and invincible martial arts, he embarked on the road of counterattacks and was committed to his great dreams.

- Description from Novelupdates

Jaden lived an ordinary life. This was the life that he had lived for several years now. This kind of life was one that had existed ever since the death of his parents.His parents died in an accident, leaving him an orphan. The moment that his parents died, his uncles came over and took over everything that was supposed to be taken by him.He tried going to court, trying to see if he could get back the wealth that belonged to his family, but due to the connections that his uncles possessed, he did not succeed.Completely abandoned by his relatives and friends that existed before the death of his parents, Jaden was left to fend for himself.He managed to get a job as a bouncer in a club. But as a coincidence, he ended up irritating someone that he was not supposed to offend. And with that, he was beaten and left in an alley to die.But it was at that exact moment that out of nowhere, he was bitten by a dog. Jaden could not believe it. He had never expected that he was going to die just like this. And even before dying from the wounds that he had suffered from the beating, he was going to be infected by rabies?But the strange thing that happened was the fact that after the dog bit him, a holographic screen appeared in front of him.[Congratulations on being chosen by The Bodyguard System.]And with that, Jaden's life changed completely.