故事是發生在一個沙漠所環繞的大地，為這片大地的人民帶來滋潤的，是由雲朵之葉組成的神木「雨雲之樹」、以及及樹的主人「雨神．阿美芙拉絲」(音同降雨)。吉米是一位喜愛發明的青年，有天因為不注意而使弟妹被誤當成祭品送給雨神，於是為了追回親人爬上了雨雲之樹，卻在上面遇到了一名手持鞭子的粗暴少女蘇拉...而她就[+展開]就是住在這棵樹上的「雨神」。為了要回弟妹，吉米答應蘇拉製作可愛的洋娃娃給她，這也開始了兩人之間不解的緣分。
但在某一天，有一位同是雨神．阿美芙拉絲的美麗女性－－希爾魯來到了蘇拉的雨雲之樹上，並且奪走了樹的心臟「核」...蘇拉因此失去了所有的神力，雨雲之樹也枯萎了。為了搶回被奪走的核，吉米和蘇拉、以及吉米的保護者達魯，三人前往其他有雨雲之樹的城鎮搜集情報、並找尋著希爾魯；然後，他們遇見了．阿美芙拉絲的長老，並也得知了希爾魯的位置。為了奪回「核」，一行人往希爾魯的樹前進.....[-摺疊]
">" alt="淘氣雨神蘇拉">
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