Nana has accordingly once again renewed her advertising contract with DHC, the number one direct skincare brand from Japan. In 2014, she became the main endorser of the cosmetics brand for DHC Korea. Her contract with the company was renewed in April 2016, and she has, once again, been singled out as its model for 2017.

The recent engagement of Nana with DHC Korea is her fourth year modeling stint for the skincare brand, Allkpop reported. The skincare company allegedly said that they are continuing to work with her as their model because of her clear and healthy skin. Since the company is embarking on an active marketing strategy this year, it said the confident image of Nana fits the best with DHC's brand concept.

Also in 2014, Nana together with the other Orange Caramel members Hong Jong-hyun and Baskin Robbins and Tving, accordingly became the model for Skechers, FOSSIL and Alton Sports Bike. She was likewise chosen in 2015 as the model for Cordajour in Japan. Her other modeling stints include, among others, Xtep Sports and Kafellon in China.

Nana is a singer and actress. She is a member of the South Korean girl group After School and its subgroup Orange Caramel. In 2009, she participated in the Asia Pacific Super Model Contest. She is also a licensed makeup artist and is a member of the Makeup Artists Association.

In Feb. 2016 Nana was enlisted to appear in the "Real Men" for its season four female soldier special. She was again taken in for a supporting role in the television drama "The Good Wife." Following her success on the small screen she is paired with Yoo Ji Tae in the film "Ggoon."

Nana reportedly received the Rookie Actress award at the 2016 Asia Artist Awards. She is presently studying at the Seoul Institute of the Arts. Further, she studied acting for two years in preparation for her debut role.