The picture you gave me, the poster, shows the character rain.
Sometimes the calligraphy works will not be like the standard Chinese characters in the current textbooks. There may be changes or slight differences from the standard printed Chinese characters in the textbooks, because calligraphy is handwriting after all, especially in cursive calligraphy. .
The picture above shows the word rain in several fonts. Click on the image to enlarge, then right-click to save to view the original image.