[5] In February 2014, she played the younger role of Kim Hee-sun's character, Cha Hye-won, in the KBS drama Wonderful Days.

[10] On September 9, Kwon and Nam Joo-hyuk appeared in the music video for solo singer Kangnam's song "Chocolate".

[5][12] In March 2016, Kwon starred in the seven-part web drama Click Your Heart, produced by her agency FNC Entertainment, where she played a cheerful, but clumsy, 18-year-old high school student who forms friendships and love triangles with four boys.

[15] She compiled an essay collection of quotes and wisdom that are personally meaningful to her titled Stars Don't Lose Their Way at Night that was published on November 1, 2017.

[17][18] In February 2018, it was revealed that Kwon will also join the cast of KBS weekday drama Queen of Mystery 2 as police officer Shin Na-ra.

[26] On July 3, 2020, Kwon alleged in an Instagram post that AOA member Shin Ji-min had bullied her for a decade, which led to her withdrawal from the group in 2019.

"[28][29] The next day, Shin apologized to Kwon through an instagram post and left AOA and the entertainment industry entirely due to the allegations.

[30] On August 6, 2020, Kwon posted a photograph on Instagram with the caption "Jinri-ya, I miss you", which was believed to be a reference to Sulli (Choi Jin-ri) of f(x), who committed suicide in 2019.

[31] In a separate post, Kwon revealed that she had recently been hospitalized after a relapse in self harm, following a KakaoTalk conversation she had with an FNC Entertainment representative who believed Shin's apology to be sincere.

She expressed anger at the possibility of Shin resuming activities and finished the post by begging the company to be more considerate of their artists.

Two days later, in a since-deleted Instagram post, Kwon shared a graphic image of her slit wrist accompanied by an apparent suicide note stating: "I don't want to go unfairly.

The account wasn't even settled properly, the contract was 8 years, and there was no breakdown of expenditures for the illegal trainee debt of 3 billion won ($2,522,758.80 USD).