Opera of the wasteland

 is a song by Roselia.

It is the title track of their 5th single, with Kiseki as the coupling track. It was released on March 21, 2018.

It is the gift song for the event Neo Fantasy Online -Journey-.

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

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Chart Performance

 * On March 21, 2018, Opera of the wasteland ranked 2nd in the daily singles ranking in Oricon.
 * On March 28, 2018, the single ranked 5th in the weekly ranking.