BO3

"BO3" is Chisetsunagara's first single release of 2025.

It's a self-deprecating and provocative song that is unique to Chisetsunagara, who have been garnering attention on social media with unstoppable momentum this year.
The title "BO3" is an abbreviation of "Best of 3," a match format often used in tennis and esports, and it is a song that gives you a sense of the "determination" and "competitive spirit" of Chisetsunagara, who are sure to attract even more attention in the future.