Ms.OOJA (born October 28, 1982) is a Japanese singer-songwriter from Yokkaichi, Japan who has been active since 2006. Her official website is msooja.net. After beginning her career on the independent circuit, she released the album Impact with EL LATINO as EL LATINO & Ms.OOJA in 2009, followed by the independent solo album Ms.OOJA in 2010. She made her major-label debut on February 16, 2011 with "It's OK" through Universal Sigma, part of Universal Music Japan. In 2012, her single "Be..." surpassed one million downloads, and her second album Heart debuted at No. 1 on the Oricon daily album chart. Alongside her original work, she has also recorded many cover songs. She later marked the 10th anniversary of her major debut with the 2022 compilation 10th Anniversary Best 〜私たちの主題歌〜 and a solo concert at 日本武道館, and she also performed "Kimi wa," the opening theme for Champignon no Majo.
