First of all, the style is changeable (you can also call it weird if you don’t like it). The Japanese nation is a reformist nation and lacks original spirit. This is true from technology to culture, so Japanese music has almost no A song is of a very pure style, and most of it is a mishmash, coupled with its national mode.

Secondly, the arrangement of Japanese music is very delicate, and its harmony. The sound connection is very particular, especially BASSLINE. It feels like many songs are supported by BASS. The bass progression is mainly 2nd, and the 5th is rarely used, so the chords are often inverted.

Third, it often changes the key, and a very special point is the frequent change of major and minor keys of the same name, which is rare in Western pop music.