Description: Semantic Error: With Park Seoham, Jae Chan Park, Ji-Oh Song, Kim No-Jin. Chu 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 Chu Sang Woo. Will Sang Woo be able to work with Jae Young as an artist and engineer?..