VTuber fanatic Tagoura Takane gushes over the hot new streamer "Nyarupi", while facing daily harassment from his next-door neighbour Tsumori Narumi. But one day, by strange coincidence, he discovers that his oshi and the girl he's known for years are actually the same person! As Takane gets dragged into helping out with her work, and the line between Nyarupi and Narumi starts to blur... he couldn't be turning gachikoi, could he!?