TVXQ rose to international prominence in the late 2000s, after the group achieved critical acclaim in the Korean music industry for their best-selling albums "O"-Jung. The latter album also contains the pop hit "Mirotic", touted by international music critics as a staple song of K-pop.With four chart-topping singles, TVXQ gained widespread media attention in Japan following the release of their fourth Japanese album The Secret Code (2009). Prior to the trio's departure in 2010, TVXQ released their last Japanese album as a quintet Best Selection 2010, which became the group's first album to top the Oricon Albums Chart.In February 2006, TVXQ embarked on their first headlining international concert tour, the Rising Sun Tour.
TVXQ ended the year with two more releases: their third Japanese single "My Destiny" and a Korean maxi single "Show Me Your Love", featuring Super Junior.The latter single entered the Korean charts at number one.In July 2004, TVXQ participated in their first SM Town project and collaborated with other label mates to release the SM Town album, 2004 Summer Vacation in In October 2004, TVXQ released their first full-length studio album Tri-Angle.It was TVXQ's first record to debut at number one, selling a total of 242,580 copies in the first month. Entertainment had plans to promote TVXQ in mainland China and Taiwan under the support of its overseas partner, Avex Group.
According to the MIAK, "The Way U Are" and Tri-Angle became two of the top ten best-selling albums of 2004. TVXQ members recorded Mandarin versions of their popular singles and released them exclusively on the Taiwan presses of Tri-Angle.The following day, they performed on SBS's Inkigayo.The sales of "Hug" picked up following their television appearances, and on March 28, 2004, TVXQ won their first music show award with "Hug" on The Music Trend (Inkigayo). By May 2004, "Hug" sold 118,114 copies and reached a peak at number four on the MIAK.They released TVXQ's fifth Korean album Keep Your Head Down (2011), topping album charts in most major Asian markets upon release.Their first two Japanese albums as a duo, Tone (2011) and Time (2013), solidified their success in Japan as it forged TVXQ's reputation as one of the top-touring artists in the country.Their eighth Japanese album With (2014) made TVXQ the first and only foreign music act in Japan to have four number-one albums in a row. in 2001 and Shinhwa's departure in 2003, producer Lee Soo-man of S. Entertainment had to search for another boy band to compete against other popular idol groups in the K-pop market. Xiah Junsu, the first to join the new group, became an S. trainee at age eleven and was originally trained to be a solo singer. Entertainment in 2000, was a member of several failed project groups throughout his years as a trainee. Entertainment and was subsequently accepted into the agency after going through various auditions.