Sora Ueno is a high school student reincarnated from the Heian period. In modern dungeon streaming, onmyoji are a shady presence, and Sora's streams have zero simultaneous connections.One day, Sora helps an extremely famous beautiful streamer, and she becomes instantly famous with tens of thousands of buzzes! What's more, it is discovered that Sora's fighting power, which makes full use of onmyoji, is far beyond the norm...!The strongest onmyoji, Sora's dungeon streaming life, where he gets tens of thousands of buzzes in succession, begins!!