PENTAGON (펜타곤) is a nine-member boy group under Cube Entertainment. They debuted as ten with their first mini album Pentagon on October 10, 2016. They made their Japanese debut on March 29, 2017 with the mini album Gorilla.
After Hyuna announced her relationship with E'dawn in August, on September 13, Cube Entertainment announced that they would be terminating their contracts, citing that they could not "maintain trust" with them.
On November 14, Cube Entertainment officially confirmed E'Dawn's departure from the group and company.