金欠傭兵が英雄になる方法〜青春をダンジョンに捧げる〜 (Associated Names)

A broke young boy decides to delve into dungeons. However, to register as a dungeon-mercenary, he must purchase a skill costing a hefty 100,000 yen—a sum far beyond his means. Just when despair sets in, he discovers a skill labeled as a “Special Sale” for only 100 yen. Though its suspiciously low price—three digits below…