Ado (Japanese: アド, born October 24, 2002) is a Japanese singer/songwriter. In 2020, at the age of 17, she made her debut with the digital single titled "Usseewa", which peaked at number 1 on Billboard Japan Hot 100, Oricon Digital Singles Chart, and the Oricon Streaming Chart. The song reached 100 million plays on Billboard Japan within 17 weeks of charting, which was the sixth fastest in history and the youngest for a solo singer. In 2022, her song "New Genesis" was used as the theme song for the anime film One Piece Film: Red and topped Apple Music's Global Top 100 charts. She is represented by the artist management company Cloud Nine.