 The group released the first teaser on September 1, and then released several individual teasers of the group presented as collages on their official Instagram account throughout the week.The extended play, along with the music video for "Russian Roulette" was eventually released on September 7.Following the song's release, the group revealed that they had heard the song when they were still trainees (which indicated the song was written long before their debut), unaware that they will one day record and release it.