The anime "Rain Drop: Water Is Adventure" tells the legendary journey of a little raindrop. Arriving on Earth, he befriends Cloud and Little Ice Cube, and the three become good friends. Thus, the three companions embark on a journey across Earth, traveling through forests, lakes, oceans, caves, deserts, and other places. Along the way, they continuously battle the virus bacteria that pollute the planet, striving to protect Earth's environment and ensure the normal lives of humans. Through such a story, children learn about the applications, formation, and properties of water—both in their surroundings and in the unfamiliar realms of nature. A wondrous adventure of a little raindrop... from the appearance of the first droplet to the various stages of growth and evolution as it becomes a little raindrop... "Rain Drop: Water Is Adventure" also illustrates the crucial role of water by showcasing the growth processes of all things on the primordial planet. These magical scenes inspire every viewer to join the story with passion and imagination, allowing children to effortlessly grasp basic knowledge about water while being entertained, thereby achieving the goal of learning. —Synopsis sourced from Douban, Baidu Baike