VERIVERY is back with their new digital single 'SERIES ‘O’ [ROUND 0 : WHO].' You won't be able to get over their title track, "O," which tells the story about the void and emptiness of a heart filled by a seed of darkness. To celebrate their new release, VERIVERY joined allkpop for an exciting karaoke session.

Watch the video above to join the members as they show off their incredible live vocals and goofy personalities while singing "O." You won't want to miss out on the fun