Madotsukiが笛を吹いて、雨を降らせる力があるのは
Madotsukiがココペリ(Kokopelli)である可能性があります
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his domain over agriculture, Kokopelli's flute-playing chases away the winter and brings about spring. Many tribes, such as the Zuni, also associate Kokopelli with the rains.[3]
https://en.m.wikipedia.org/wiki/Kokopelli