龍山基地
On June 19, Jungle Entertainment announced that TEM and Eujin had left the group, and that the group was adding three new members: Heeo, Yun and Hajeong. The group also changed their name to Poten. They released their third digital single, "Go Easy", on July 3, 2015, and performed the next day at Yongsan Garrison for the annual 4th of July celebration.