'Crash Course in Romance' taught Jung Kyung-ho to write mathematic equations like a seasoned professional. He even filmed his tutoring scenes in front of real students. Like most rom-coms, there must ...

The K-drama tells the story of hotshot math tutor Choi Chi-yeol. Despite his fame among mothers and students, he lives in darkness. He cannot eat, sleep, and is plagued by a memory from his past. When ...