OH MY GIRL - OURS
"Hello! WM" is a collaboration single by B1A4, OH MY GIRL, and ONF. It was released on September 4, 2020 and was released on the same day of their family concert Hello! WM Ontact Live 2020.
TypeSingle album
ReleasedSep 4, 2020
LabelWM Entertainment
Language(s)Korean, English
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