須藤元気
On March 13, 2015, saw the music video release of "The History of Voice 2015", which was a 6-member choreography without Genki Sudo to a shortened 2015 version of "The History of Voice". On July 27, 2015, the group had travelled to China as a 6-member unit for their "Multipolarity" music video, which featured a secret appearance by Genki Sudo in disguise.