Popping is the first popup album by South Korean–Japanese boy group ONF, released on August 9, 2021, by WM Entertainment and distributed by Stone Music Entertainment.

"[1]On July 14, 2021, WM Entertainment announced ONF would be having a comeback in early August.

[2] On July 18, the first official teaser revealed the date of the comeback as August 9th as well as the album and title track as "Popping.

[4] ONF held their comeback showcase on August 9 at the YES24 Live Hall and via V Live where the group performed their new songs "Popping," "Dry Ice" and "Summer End."

They also performed tracks from their previous albums: "Sukhumvit Swimming" and "On-You - Interlude.