[7] With Chancellor bearing responsibility for their lyrics and music compositions as Chance, the trio released their debut mini-album One Way Street and its lead single "Magic" through Yejeon Media in March 2010.

Park suggested collaborating with Chancellor after listening to one of his tracks; the pair formed the songwriting and production team Duble Sidekick.

[1] In the first half of 2012, the duo were listed within the top ten "hit makers" among musicians registered with the Korea Music Copyright Association.

[10] In an interview with daily newspaper No Cut News, he cited the trio's poor commercial performance and "not seeing a future" as his reasons for leaving the group.

[2] Following the expiration of his contract with the agency in 2014, Chancellor parted ways with Duble Sidekick to pursue a solo singing career.

[13] He signed with Brand New Music the following year and released his debut studio album My Full Name and its lead single "Surrender" with Lyn on November 30, 2016.

[14][15] After signing with Konnect Entertainment two months prior, his self-titled second studio album and the singles "Midnight" and "Runaway with Me" were released on October 13, 2021.