Yujiro Onizuka, known at work as a refreshingly capable young man, has loved cute things since childhood and is a huge fan of the fancy character Ribonyun. However, after his high school girlfriend was turned off by it, he hid his hobby. Meanwhile, Yume Momoi, who joined the company as a clerk, wears her fancy tastes on her sleeve starting with her uniform style, and seems to be a huge Ribonyun fan too... Yujiro feels both admiration for the different Yume and a sense of unease. He tries to keep his distance, but his Ribonyun fandom is exposed in no time...