Comprehensive Manga: Gate to Another World from Zero

Programmers should spend their nights with code, but Chen Mo lost his life while working overtime - but this also opened a "door" that is far more dangerous than the keyboard. The Door Key system awakened after death gave him the authority to travel through thousands of worlds, but the price was: every time he failed a mission, he would be deprived of his memory and reborn in a random different world. ——Your first world: Re: Life in a different world from scratch. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.