SM Entertainment revealed, "EXO-CBX is preparing a comeback for April. Please look forward to it."
The EXO-CBX unit consists of Chen, Baekhyun, and Xiumin. They debuted as a unit in October, 2016, with their first mini-album 'Hey Mama!'. It'll be their first Korean comeback in a year and a half.
Stay tuned for more on EXO-CBX!