Sunhwa has been cast in the role of Han Soo Ji, a talented school police officer who's put 13 criminals in jail. She's so loved by the children that they call her 'teacher', and she wants nothing but the best for the students.
She'll be playing opposite actor Han Joo Wan, who has been cast in her romantic interest Shim Kang Myung. Shim Kang Myung is the homeroom teacher for the main character played by Gugudan's Kim Se Jung. The staff said, "Han Joo Wan and Sunhwa will play characters who have opposite personalities and meet as a teacher and school police. They'll grow together with the students and start a pure romance. Every season, the teachers balanced out the drama between the students. Please look forward to the two actors."