Hell Mode: Yarikomizuki no Gamer wa Hai Settei no Isekai de Musou suru

“leveling up without playing?! This is an idle game, not that difficult!” Kenichi Yamada plays an online game that is not closing its servers, leaving him with a painful emptiness. He searches for a new game that caters to his interests, but all the games are too easy and simple. He values the game that demands thousands of hours to play, without longer exists. One day, he gets a notification of “you are invited to a game that never ends”. This unnamed game follows the massive potential and unmatched difficulty, so Kenichi chooses its “Hell Mode” difficulty instantly. All sudden, he is reincarnated as a poor serf, named Allen, in another world. Now, Allen should find the truth of his summoned class without any guide or support from the online forums. He is trying to slowly reach the top of this strange world.