Ibaraki_pref
Early Autumn Songs Jyuugoya otsukisan
"Juugoya" is said to be "the night to appreciate the harvest" in Japan, and there is a custom to celebrate while looking at the moon since ancient times.
"Otsuki-san" is used when referring to the moon in a friendly way.
Early Summer Songs Amefuri otsukisan
"amefuri otsukisan"is song of the rainy season called "Tsuyu" that Japan-specific climate around June to early july.