A four-piece band formed in 2019.
Following the release of a mini-album and a full-length album, they released the four-track EP “Catch” in January 2025.

In May, they released “Minami-Shinmachi,” the theme song for the movie “6 People Alone.”
Then, in September, they released their first major-label digital single, “That’s All I Can Say,” Toys Factory, followed in October by “PataPataCat,” the theme song for the web animation “Moving! Nekomukashibanashi.”

In March 2026, they released the four-track EP “Sekai”
The annual “Haku.’s Day” events will be held on August 9 at Shinsaibashi BIGCAT for the Osaka edition and on August 18 at Ebisu LIQUIDROOM for the Tokyo edition.

In addition to performing at overseas festivals and tours, they expanded their activities worldwide by holding a two-day solo concert in South Korea, and further growth both domestically and internationally is expected in 2026.