japanese being a syllabary with limited phonemes and consistent spacing makes it both incredibly satisfying for lyric videos but it also lends itself so well to singing in a snappy way like he does in this song, and you get a different kind of rhyme and alliteration because rhymings almost too easy and you can do so many things with the structure of the sentences because nothing has to be awkwardly squished to fit, all that to try and not sound like a weeb when i say that japanese is a really lovely language for music and lyrics