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～
Tsukishima, Shuuichi, Mokyu
Allen is training to be a swordsman, but he's just no good at it. After losing a duel with high stakes, he's about to drop out when a mysterious man offers him a chance to get 100 million years' worth of training with the press of a button. But what happens when he presses it over and over?! (Source: Yen Press)
