[1] On August 25, Newsen reported that YooA was preparing to release a solo album in September.

[2] In response to the report, WM Entertainment confirmed that YooA will officially make her solo debut with the release of a mini album on September 7.

[3] On August 28, YooA shared a first look of her solo debut on YouTube through an opening trailer titled "Bon Voyage".

[5] The track list of the mini album Bon Voyage was revealed on September 3.

YooA also held an online showcase to celebrate the release of her first mini album.