An analysis of Yoona's drama appearances, acting career, and box office success.

Yoona, an idol-turned-actress, has successfully established herself in both dramas and films, creating definitive box office hits. Notably, the 2016 tvN Friday-Saturday drama 'The K2' maintained its No. 1 position in its time slot across cable and general programming channels throughout its run, demonstrating high viewership. In this series, Yoona played Go Anna, a girl living isolated from the world, engaging in a romance with Kim Je-ha (Ji Chang-wook).

'The K2' was a 16-episode drama aired from September 23 to November 12, 2016, featuring writer Jang Hyuk-rin of 'Yong Pal' and director Kwak Jung-hwan of 'Chuno'. The drama combined bodyguard action, political thriller, and romance, with Ji Chang-wook's intense action sequences and Yoona's delicate emotional acting enhancing immersion. Furthermore, in the 2008 KBS 1TV daily drama 'You Are My Destiny', she played Jang Sae-byeok, achieving a peak viewership rating of 43.6%, which significantly raised her profile as actress Im Yoon-ah.

Bloggers commend Yoona for her success as a box office actress, even as an idol-turned-actress, with films like 'Exit' attracting 9.42 million viewers. For 'The K2', while Ji Chang-wook's action was prominent, Yoona also played a crucial role in the drama's success, contributing to its No. 1 ratings. Through these works, Yoona has expanded her acting spectrum and built public trust as an actress.