After a successful nationwide tour within just one year of their debut and appearances at international music festivals, the three-member group Number_i—composed of Sho Hirano, Yuta Jinguji, and Yuta Kishi—has been gaining attention in the US. In June, they made their first appearance at Head In The Clouds in Los Angeles.

Now, they are officially announcing the release of their highly anticipated sophomore album No.Ⅱ (written in Roman numerals), set to drop on Monday, September 22. Ahead of the album, the lead single “U.M.A.” (Japanese title: 未確認領域, read as Mikakunin Ryōiki) will be released worldwide on Monday, August 11.

Number_i—composed of Sho Hirano, Yuta Jinguji, and Yuta Kishi—has been gaining attention in the US. In June, they made their first appearance at Head In The Clouds in Los Angeles.

The album including "U.M.A." (Japanese title: 未確認領域, read as Mikakunin Ryōiki) was created through in-depth discussions among the three members and features live instrumental recordings, showcasing a bold new musical approach.

Their debut album No.Ⅰ remains a long-running hit, ranking #5 on Billboard JAPAN’s 2025 Mid-Year Hot Albums chart, and expectations are high for this upcoming release. Their second EP GOD_i made a major impact upon release, racking up 3.1 million streams on its first day and 12.1 million streams in its first week. The lead track "GOD_i" topped the Billboard JAPAN Hot 100 and also ranked #1 on the "Hot Shot Songs" chart, with all six tracks from the EP entering the Top 20. On the Download Songs chart, "GOD_i" took #1, followed by "i_DOG" at #4 and "Psycho" at #5, with three songs landing in the Top 10—a remarkable achievement. As of now, GOD_i has surpassed 61 million cumulative streams.

Additionally, on the Billboard JAPAN Mid-Year "Hot Shot Songs" chart for 2025, "GOD_i" ranked #1, and "HIRAKEGOMA" placed #10. On the "Download Songs" mid-year chart, “GOD_i” claimed the #3 spot.