The Hero Who Returned From Another World Becomes an Influencer in the Real World Where Dungeons Have Appeared and Makes Money!

An ordinary-looking junior high school student, Ryoji Furuya, had a secret. During spring break before his third year of junior high, he was suddenly summoned to another world. After ten years of hardship, he defeated the Demon King and returned to his original world. Moreover, Ryoji didn’t age at all and returned at the exact time he was summoned to the other world. However, right after returning, his parents died in an accident. He had conflicts with relatives at the funeral, and suddenly, familiar dungeons appeared all over the world. The world changed drastically as energy, metals, and essential materials for convenient living could only be obtained from these dungeons. A small number ...