I Kept Pressing the 100-Million Button and Came Out on Top
一億年ボタンを連打した俺は、気付いたら最強になっていた～落第剣士の学院無双～
NOVELreleasing2019
Synopsis
A man offers Allen a chance to get 100 million years of swordsman training with the press of a button. What happens when he presses it over and over?! Source: Yen Press