Lumi, 18, has just debuted as an explorer in a modern society where dungeons exist, and decides to start live-streaming her dungeon explorations.

She arrived in a nearby town, expecting an entry-level dungeon, but what Lumi stumbled upon was an ultra-challenging one.

Oblivious to its true nature, Lumi begins her dungeon exploration, effortlessly dominating high-level monsters.

Her exploits, broadcast live online, rapidly go viral on social media, with concurrent viewers and subscriber counts skyrocketing without limit.