According to Big Ocean ENM on July 13th, former B.A.P member Jongup's first mini-album 'US' ranked #1 on the iTunes 'K-pop Album' chart in Germany, #2 in Singapore, #3 in the UK, and has entered the top ten in 10 different regions. 'US' also ranked in the top five on the iTunes 'Pop Album' chart in 4 different regions, including Indonesia and Thailand, and was ranked in the top 100 of Apple Music's 'K-pop Album' chart in 6 different regions, including the United States and Australia.

In addition to Jongup's album achievements, his title track "US" ranked #6 on the iTunes 'K-pop Song' chart in 6 different regions, including Switzerland. Further, his side track "Find" ranked #33 on the iTunes 'K-pop Song' chart in 3 different regions, including the UK.

Meanwhile, Jongup recently returned to the music scene with his first solo mini-album 'US' on July 8th, and is actively promoting his title track "US". Jongup especailly garnered a lot of attention for taking part in composing the music and writing the lyrics to all the tracks included in his mini-album.