It's the chorus for Fist Bump. This is my first ever music box melody. I think it sounds okay but it's kind of basic.

The "vocals" are from this arrangement by takahime117 on Musescore :
https://musescore.com/user/23090076/scores/4644276
but I tweaked them a little bit to sound more like the piano version of the song found here:
https://www.youtube.com/watch?v=b_5GvaQsgbA&spfreload=10

I did the "background" part which is based on the synths and violins (I think) in the song.