【ダンジョン】人助けしたら、知らんとこでバズってた件【実況】

In a world where dungeons are commonplace, a boy spends his days simply enjoying live commentary on message boards. However, one day, an accident during a live stream changes his life. By chance, he begins his career as a video streamer. How will his fate change? (Source: Akita Shoten, translated)