This 2023 EP features four tracks, showcasing ONEW's signature vocal style. The release leans into pop, R&B, and dance-pop influences.
- "Circle" was released on March 6, 2023, by SM Entertainment.
- The EP includes the title track "O," alongside "Rainy," "Paradise," and "Life goes on."
- The release marked ONEW's third solo Korean EP.
ONEW is the male lead vocalist of the South Korean boy band SHINee, formed by SM Entertainment in 2008. He is known for his unique vocal color and versatile genre performances. In 2023, ONEW released his third Korean EP, "Circle," while continuing his activities with SHINee.
Tracklist
