Nonstop is the debut digital single by RoaD-B. It was released on April 28, 2022. RoaD-B (로드비; formerly known as BXK (비엑스케이)) is a five-member boy group under New Planet Entertainment. They debuted on November 2, 2020 with the digital single “Fly High”. They were originally scheduled to debut at the end of July 2020, after releasing their pre-debut song “Fly High” and its accompanying music video, but it did not occur after the month had passed. On July 5, BXK released their second digital single, “Excuse Me”. On August 17, New Planet announced the departures Sun and Inu following the end of promotions for “Excuse Me”. The two will stay in agency through other activities in the future. It was also announced that BXK would re-organize as a five-member ensemble with the addition of new member Taewook. On January 1, New Planet announced that BXK would be rebranding into RoaD-B.