Before June 15, 2016 (end of her contract with Cube), Kwon left 4Minute and the record label along with members Nam Ji-hyun, Heo Ga-yoon, and Jeon Ji-yoon.

In June 2009, Kwon made her debut as the youngest member of the girl group 4Minute under Cube Entertainment, with their single "Hot Issue".

She was also one of the celebrity guests together with 2AM's Jinwoon for the documentary A Pink News which aired on the Korean cable channel TrendE.

Kwon, along with 11 other female idols, took part in the 2013 KBS Lunar New Year variety show, "Princess Project – Resurrection of the Royal Family", a spin-off based on the 2012 MBC hit drama The Moon That Embraces the Sun.

Kwon, along with teammates Heo Ga-yoon and Nam Ji-hyun, took part in the archery segment of the 2013 Idol Star Athletics-Archery Championships.

[15] She made a cameo appearance as a victim in Criminal Minds and landed more substantial roles in the romantic comedy The Secret Life of My Secretary and the thriller Class of Lies.