The green rain boots that once brought joy to a child on rainy days became too small after winter and were discarded in the following spring. No longer able to play in the rain, the boots were left forgotten and lonely. But then, with a creative idea from the child's mother, the boots are transformed into something new. Now, they hold fresh green sprouts and love the rain even more than before. This story revisits warm memories of cherished items and encourages environmental protection by showing how old, unusable things can be recycled into something new.