ONENESS

 is a song by Roselia.

It is the title track of their fourth single, with Determination Symphony as the coupling track. It was released on November 29, 2017.

It is one of the challenge songs for the event Piercing the Darkness, A Blue Rose's Pride.

It was written by Oda Asuka, composed by Agematsu Noriyasu, and arranged by Fujinaga Ryutaro.

Lyrics
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Chart Performance

 * On November 29, 2017, ONENESS ranked 8th in the daily singles ranking in Oricon.
 * The single remained on the same spot in the weekly ranking.

Live Performances

 * May 13, 2018: -Ewigkeit-
 * November 7, 2018: Vier
 * February 21, 2019: Hitze
 * August 3, 2019: Flamme
 * November 30-December 1, 2019: Rausch und/and Craziness Day 1 & 2
 * December 7, 2019: CharaExpo USA 2019