Kumagai Hinano, a regular office worker, relieves her stress with baths, alcohol, and Vtubing! She is a streamer of video games. Her favorite Vtuber is Emori Ato, a character with a seductive and sexy voice that just makes one melt! As chance would have it, Hinano decided to collaborate with her fave. When she went to meet up with her, the person waiting for her was...?! The story of a tired office worker Vtuber and a mysterious JK onee-san who collaborate with each other in a very exciting way.