From the experience of traveling 120 countries around the world, Ryoma expresses the changes in humans, culture, tradition, animals, and plants due to wars and developments around the world by using the Japanese traditional culture of lacquer technique. Recently, he started focusing on insects that are changing with the environment. Recently, we have focused on insects that change with the environment. They evolve their bodies if needed, sometimes creating wings, sometimes turning their forelimbs into tools for digging holes, and building respiratory organs and webbing to live underwater. He expresses the vitality of living creatures with the motif of natural shapes created by repeating mutation over generations. Ryoma believes that we can learn a lot from insects that nothing is impossible.