Moon Woo-jin (born February 19, 2009), is a South Korean actor. He made his acting debut in 2016 and has since had roles in television series What's Wrong with Secretary Kim (2018), Once Again (2020), and The Atypical Family (2024).
An alienated, 18-year-old man struggles with daily life, fluctuating romantic status with his bisexual, polyamorous girlfriend Mel and conflicting feelings for a shy gay classmate.