A rhythm exercise that incorporates movements helpful for building strong bones, promoted by “Kotsukotsu Bone Lab,” a project made up of experts in fields such as medicine and nutrition that advances healthy bone building through the dissemination of accurate information centered on diet for healthy bones, as well as through surveys and research. While learning the nutrients that are important for maintaining bone health, you can strengthen your bones in everyday life through simple movements. In addition to the main exercise segment, this work includes a Showa-era comedy-style drama that can be enjoyed by everyone from children to older adults.