Before prepareations for U-KISS' first full-length album, Only One was finalized, "Without You" was the planned lead single.

[citation needed] However, on February 3, 2010, "Bingeul Bingeul" (original title: 빙글빙글; literal meaning Round and Round) was announced as the lead single.

[1] After various performances in South Korea, Universal Records released the album in the Philippines on March 28.

[2] Premiere Entertainment Philippines (PEP Inc.) brought U-KISS to Manila for the first time to promote their album, and the group had three-day mall shows in the Philippines and appearances on GMA Network's Party Pilipinas and Walang Tulugan with the Master Showman.

[3] Following this, U-KISS held their first major concert, entitled "First Kiss Tour in Manila', on June 14, 2010 at the Araneta Coliseum.