It was designed with the aim of creating sake that symbolizes the sake brewery and the pride of Japan. A white bottle was shaped like a Nishikigoi fish, and a red and white pattern was drawn on it with a brush. Niigata Prefecture, where Imayo Tsukasa Sake Brewery is located, has long been famous for producing Koi, and there is a saying passed down among the sake breweries: "The spirit of Imayo Tsukasa Sake Brewery is stately Koi."