Semantic Error (Korean: 시맨틱 에러; RR: Simaentik Ereo) is a 2022 South Korean streaming television series based on a homonymous BL web novel by Jeo Soo-ri, starring Park Seo-ham and Park Jae-chan.

[6] The theatrical version of the series, Semantic Error: The Movie, was first screened at the 26th Bucheon International Fantastic Film Festival and commercially released in August 2022.

[7][8] Computer science major Choo Sang-woo (Park Jae-chan) is the embodiment of an inflexible and strict rule-abiding person.

While working on a liberal arts group project with freeloaders who don't put in any effort, Sang-woo decides to remove their names from the final presentation.

The involved person, the popular campus star who everyone knows, Department of Design's Jang Jae-young (Park Seo-ham).