Choo Sang-woo is the epitome of an inflexible and strict rule-abiding person. Jang Jae-young is like a semantic error in the perfect world of Choo Sang-woo. Will Sang-woo be able to work with Jae-young as an artist and engineer?

• watcha
• Raemongraein
• Park Seo-ham
• Park Jae-chan
• Song Ji-oh
• Kim No-jin
• Kim Won-gi
• Choi Su-geon
• Cha Jae-hoon
• Jung Joon-gyo