Singing "OURS"

 is a song by Roselia.

The full version of the song is included in the mini-album BanG Dream! Episode of Roselia Theme Songs Collection. It was released on June 30, 2021.

It was used as the ending theme song for the movie BanG Dream! Episode of Roselia Part II: Song I am.

It was written by Spirit Garden, and composed and arranged by Takeda Yusuke.