A-Teen 2 is a 2019 South Korean streaming television series which is the sequel to the 2018 web series A-Teen. It aired on Naver TV Cast from April 25 to June 30, 2019, on Thursdays and Sundays at 19:00 (KST).

A-Teen is a South Korean streaming television series. A production of Naver subsidiary PlayList Global, the first season aired on Naver TV Cast from July 1 to September 16, 2018, on Wednesdays and Sundays at 19:00 (KST). This is the sequel to the web drama Seventeen. This time, unlike the previous work, it deals with the stories of high school students turning 18. Venue sponsorship is the same as Seventeen.