sunsoogirl (三四少女) is a Japanese group formed in October 2021 that plays indie rock and J-rock. Built around guitar-driven arrangements and a contemporary Japanese rock sound, the band has developed its identity through both commercial tie-ins and anime-related songs, and its official site is hosted on Bitfan.
In March 2026, sunsoogirl’s song “Aoi Haru,” from the group’s major-debut EP, was selected as the web CM song for ABC-MART. The band made its major debut in April 2026 with the TV anime Otagyaru ending theme “一生仲仔,” and the music video premiered the same day. “一生仲仔” later debuted at No. 1 on the Heatseekers Songs chart. In July 2026, the group was also named in the first lineup announcement for MINAMI WHEEL 2026, a milestone that reflects the band’s growing profile across Japan’s indie rock, J-rock, anime music, and live-festival scenes.
