ONEUS (hangul: 원어스) is a five-member boy group under B-Wave Entertainment. They debuted on January 9, 2019 with their first mini album "Light Us". ONEUS consists of five members: Seoho, Leedo, Keonhee, Hwanwoong and Xion. Their most recent release was on January 20, 2026 with their 2nd Single Album "原".