Nishikigoi is a variety of koi carp bred for decorative purposes. They are also known as “living gems” and “swimming art”. Koi carp has also been regarded as a fish that brings good luck since ancient times, and it is also a fish that is known by different names in different phases of its growth. The beautiful wood grain of the background is comparable to water, in which red and white koi carp swim freely. The scales of the white koi carp are also expressed in the inlaid wood in this work.