How to Be Thirty (Korean: 아직 낫서른; RR: Ajik Natseoreun; lit. Not Yet Thirty) is a South Korean streaming television series starring Jung In-sun, Kang Min-hyuk, Ahn Hee-yeon, Song Jae-rim, Cha Min-ji, Baek Sung-chul, and Kim Ji-sung. Based on the webtoon Something About 30 by Hye-won, it premiered on KakaoTV on February 23, 2021, with a new episode being released every Tuesday and Saturday at 17:00 (KST). The series has surpassed 13 million cumulative views as of just two weeks of airing.