character - Herbal Shop Merchant

character - [Detective]

character - Homeroom Teacher

character - Sato

character - Detective

character - Record Label Representative

character - Detective Team Leader

character - Public Prosecutor

character - Police Officer

character - Yong-pyo

character - Uncertain

character - Assistant Yang

character - Tik Taek-to

character - Wolf

character - Investigator

character - Himself

character - Cryptologist

character - Bartender

character - Beauty Salon Boss

character - Seung-ji's Residence Nobleman

character - Chef

character - Driver