A man sitting in a bar, exhausted from looking for someone. Who is it? His lover? No, a dancer is his reply. The reason is because that dancer is the one that "that man" believes in.
Bidou used to live in New York when he was a teenager. Once he got a chance to watch a group of dancer dance there. One dancer caught his attention, he's a Japanese like him and that man's move impress him to the point that it make him start taking dancing classes. Meanwhile that dancer's reputation starts growing not just in the US, but in Japan and in the Jazz dance industry. Unfortunately, during that time, that dancer had an accident and he can't dance again.
Bidou is looking for a teenage dancer whose that dancer, Arishima personally teach until he saw a group of a dancer dance in a life house. One dancer's move remind him of Arishima and people called that Dancer "Guran". What's the meaning behind this name and what is so special about her?