Usseewa

[3] The original track was uploaded to YouTube on October 23, 2020, with an accompanying music video produced by Wooma.

[5] On December 2, 2020, a piano version of the song was released to commemorate the YouTube video of "Usseewa" surpassing 10 million views.

[4][9] Mitz Mangrove [ja], on the other hand, argues that children may sing the song just because it is catchy, and do not even understand the meaning of the words.

[14] It also reached 100 million plays on Billboard Japan after 17 weeks from charting-in, which was the sixth fastest in history and the youngest for a solo singer.

[15][16] The song became a social phenomenon dominating Japanese music streaming sites and karaoke charts months after its release.