No.5 (2PM album)

On May 8, 2015, JYP Entertainment announced that the group will be releasing their fifth album on June 1 and will be followed with two concerts to be held at Olympic Gymnastics Arena in Seoul, South Korea later that month.^[2] On May 11, 2015, the group's label explained that the album would be pushed backed to mid-June after video production company, Dextor Lab, pulled out of the production for the group's music video and would take legal action for the delay.^[3][4] On May 13, JYP said that they would be working with Naive Creative Productions for the music video.^[5] The album's track list was revealed on June 10, 2015.^[6] The album along with title track's music video was subsequently released on June 15, 2015 in South Korea.

The album's lead track, "My House", is a dance song and was written and composed by member Jun. K, who previously wrote and composed "Go Crazy" on their last Korean release.^[7][8] Other group members also participated in the production of the album.^[9]

No.5 debuted at number one on the Gaon Album Chart for the week of June 14, 2015.^[10] As of 2015, the album had sold 62,618 copies in South Korea.^[11] In Japan, the album debuted at number fourteen on the Oricon Albums Chart, selling 6,307 copies in its first week. By the end of June, No.5 had sold 9,132 copies.^[12][13] In the United States, the album debuted at number three on the Billboard World Albums chart.^[14]

Notes

• ^{^a} Taecyeon is also credited for writing and producing the song's rap.