Heinrich's Law

Yoon Ji-sol is a pharmacist in his late twenties who runs a pharmacy inherited from his grandfather. Although he suffers from anxiety disorder due to scars from his past, he is otherwise a quiet, diligent young man with nothing to fault. For a few months now, there has been a customer with a fierce impression who has strangely been on Ji-sol's mind. While the man's daily visits to the pharmacy were frightening and uncomfortable, Ji-sol had no way to avoid him since he was a customer. Above all, whenever Ji-sol saw the man, he began to feel an inexplicable sense of anxiety and trembling... Soon, that anxiety manifested into reality. Visiting the pharmacy dressed neatly and properly, unlike h...