Ruby ルビー · @rubypurple_fan
29th Sep 2013 from TwitLonger
iTunes JP weekly chart
#4 JYJ - Only One (Incheon Asiad Song)
First appearance. New song is by 3 Korean men, with full Korean lyrics. The other full Korean song who entered the Top 10 this year is JYJ's Jejung's single 'One Kiss' which was released last January. It's the song that got 1st place on the first day of release, showing great support from fans.
Source: http://www.tnsori.com/archives/51982504.html