About the series
Kenichi Yamada is an ordinary office worker who spends every free minute playing online games. His hobby is speedrunning the longest and least popular titles. One day, after the servers of his favorite game shut down, he stumbles upon a website that leads him to a game with a "hell mode." When he launches it, the young man suddenly finds himself in a new world, reincarnated as a slave named Allen, though everyone perceives him as a great warrior.