Are we surprised? She warned Time last year "Sucker" is inspired by Japanese pop, and we thank her for that.
Charli sings a bit in English before switching to Japanese, executing a tone that's similar to the original. It gives the song a whole new feel (gee, I wonder why?), oddly reviving these songs I had on repeat a few months ago then grew wholesomely tired of. Welp, time to annoy my neighbors again!
Listen to snippets of "Boom Clap" and "Break The Rules" in Japanese:
It reminds of the time Jessica Simpson would sing in Spanish. Oh how I miss those days.