Kim Soo In is a South Korean screenwriter. She graduated from Dankook University's Department of Creative Writing, and completed her major in the Department of Film at Chung-Ang University's Graduate School. She wrote adaptations and screenplays for a number of feature films, including the adaptation of Oksu Station Ghost (2021) and the screenplay of B Cut (2021). Toxic Parents is her first feature film. (Source: BIFAN.kr) Watch drama online for free.