Atlas of Heaven and Earth - Chapter 44: Beginning

Eren Idril died as an old, decrepit, and piss-poor adventurer by the maws of a D-Rank monster. He had a lot of unfulfilled dreams and desires that couldn't see the light of the day after the light in his own eyes died down.

But fortunately for him and unfortunately for the world, that wasn't his end. Eren was somehow dived back in time when he was a mere teen, attending Lionheart Academy for adventurers.

When life gives him a second chance, Eren decides to exploit it to its fullest. Experience his vile deeds as he partakes in them without feeling the slightest bit of hesitation.

He has won the most flamboyant compliments and the most vicious swear words.

He is a guy with rebellion flowing in every vein in his body.

He’s a white kid who’ll never be a celebrity.

He is a young man from the countryside in the eyes of the public.

He’s Tommy Hawk.

He was born again.

Welcome to the first half of the American Dream and the second half of the American Nightmare.

Let us please, come Tommy Hawke, in the winter of 2022.

- Description from novelbuddy

Henry is a university graduate who happens to be working as a hotel receptionist, though with big dreams of being more than that. All these change for good one day when he finds a way of cracking a very sophisticated technological system, which ultimately empowers him to formulate and develop leading-edge inventions from his bedroom.With a determined mind not only to conquer the market but also to move out of his gray life, Henry starts into his journey of fame by introducing a number of radical technologies that capture the interest of the whole world and hold it.