故事发生在一片未知的土地，这里生活着一种名叫提恩人的生物。一天，一只名叫阿十的提恩人诞生了，出生后，他立刻被天上的太阳吸引了注意。然而在追逐太阳的过程中，他很快便发现当自己走完第十步时就会死去，变成一朵永远无法行动的花…… Once upon a time, there are Teans living in this land. One day, a Tean called Ten was born. He was born on a sunny day, attracted by that beautiful sunshine. However, on his way to chasing the sun, he suddenly noticed that: after the tenth step, he will be becoming a flower which could never be able to run again.