- Members (by intro appearance): Seolhyun, Jimin, Yuna, Choa, Chanmi, Hyejeong, Mina
- This is AOA’s first song since “Miniskirt” (2014) that isn’t produced by Brave Brothers.
- The music video for “Good Luck” was taken down within minutes after its release. FNC Entertainment released a new version of the video a few hours after. No scenes were recut but some were censored, blurring out car logos and extending parts of Jimin’s outfit.
- On the 2016-05-02 broadcast of Channel AOA (episode 4), Jimin and Seolhyun were tasked to identify important historical figures in a challenge. The scene shows them skipping a very well-known figure, which caused a trending internet rage of criticizing the singers for their ignorance.
- Track 4 “Crazy Boy” was first revealed on the 2014-09-26 episode of Sleeping with the Boss and just now made it onto an album.
- Track 5 “Still Falls The Rain” made its first appearance in Japanese on their recent single 愛をちょうだい (Ai no Choudai) (2016). This single also featured T.M. Revolution’s Nishikawa Takanori in the title track.
