After a supporting role in 2012 manga-adapted romantic comedy To the Beautiful You, Kang played leading roles in melodramas Flower of Revenge, Two Women's Room and A Daughter Just Like You.
Setelah menjadi pemeran pendukung pada manga-yang diadaptasi menjadi komedi romantis tahun 2012 To the Beautiful You, Kang berperan sebagai peran utama dalam melodramas Thorn Flower, Two Women's Room dan A Daughter Just Like You.