The World On arirang

This is a song from Park Ji-min, known for her powerful pipes!
She tells the listeners to not care about what anyone else thinks and to love themselves for who they are.

This was the final single released by I.O.I prior to their breakup.
In this song, they describe the sadness of saying goodbye to a downpour, but they also convey their hopes of reuniting again someday.

It is an addictive song with various keywords such as vacation, love, traveling and loneliness. When you listen to this song, you will dream of having a fun vacation even inside your room.

It's a reggae pop song with an addictive guitar riff and variable rhythms.
It is also the first self-written song that Wonder Girls are promoting as the lead track, and it shows their growth as musicians.