A.C.E (Hangul: 에이스; an acronym for Adventure Calling Emotions) is a five-member South Korean boy group formed by Beat Interactive. The group made their debut on May 23, 2017 with release of a digital single "선인장 (CACTUS)". The quintet consists of Jun,Donghun, Wow, Kim Byeongkwan (formerly known as Jason) and Chan. Jun trained under Jellyfish Entertainment alongside VIXX for a short time then trained for three years with CJ E&M. Donghun competed on Superstar K5 but was eliminated during TOP8.