Chapter 415: Deserved It?

"Man, if only I could get my hands on a tenfold experience boost card!" As leveling up became increasingly difficult, Katsumi Barlow began to hope for a solution. The tenfold experience boost card was indeed available in the system shop, but Katsumi couldn't purchase it at the moment. The system shop offered many items, but in reality, most were beyond Katsumi's reach. This was due to the level of the system shop itself. When it first opened, it was merely a beginner-level shop. To upgrade it to...