有名VTuberの兄だけど、何故か俺が有名になっていた, Yuumei VTuber no Ani da kedo, Naze ka Ore ga Yuumei ni Natteita, I'm the Brother of a Famous VTuber, but for Some Reason, I'm the One Who Became Famous

I have a stepsister, Isuzu, who happens to be a hugely popular VTuber with over one million subscribers under the alias "Isuzu Wine." One day, she forgets to end her stream, and our casual sibling conversation gets broadcasted to the world! The clip goes viral overnight, turning me into an internet celebrity in the blink of an eye. The more streaming mishaps happen, the more famous I become?! Now, with my clingy and overly affectionate VTuber stepsister and a cute senior VTuber, I'm suddenly thrown into the chaotic world of VTuber stardom!