JYJ member Jaejoong's solo song, "ONE KISS" has ranked number 1 on iTunes Charts in 5 countries.

Jaejoong released his first mini album on January 8 and had gained much attention.

After the release of the song, he ranked number 1 on many online music charts such as Bugs, Cyworld and more.

He also ranked number 1 on iTunes charts in Japan, Singapore, Taiwan, Thailand and Vietnam.

He also ranked number 1 on the iTunes Rock Chart in 9 different countries.

An official commented, "His voice and genre of the song seemed to match well."

His album is already hot on the album reservation list even before his album has officially gone up for sale.

He will be releasing his first solo album, Mine, on January 17.