The world’s first deaf idol group, Big Ocean, returned Tuesday with its third mini album, “THE GREATEST BATTLE,” a release that channels the group’s experience of perseverance into its most intense statement yet. While earlier Big Ocean releases leaned into brightness and hope, “THE GREATEST BATTLE” sharpens its tone. The group embraces a more restrained, powerful atmosphere that reflects the realities they have faced as a K-pop group with hearing impairments. At a media showcase at the Showking K-pop Center in Seoul's Mapo District Tuesday, members PJ, Chanyeon and Jiseok unveiled the new performances and shared the meaning behind the new project. “The theme of this album is a great battle won after a difficult fight,” Jiseok said. “We have lived fiercely while fighting prejudice against our disability. But it’s not just us. Everyone is fighting their own battles. We wanted to send support to all of them.” The album features a total of eight tracks, including double title songs “One Man Army” and “Cold Moon,” B-sides “Alive” and “Back,” and instrume