Over the years, I have regularly visited a particular koi pond in Harajuku, tucked away in a garden not far from the crowded shopping streets. I’ve gotten hooked on photographing the koi, particularly in spring when fallen cherry blossom petals carpet the surface of the water. Over time, the visual style of the images evolved into something more and more reductionist and abstract—only the fish on a black field dotted with white blossoms—almost as if the koi are swimming in space. Print...