My First Time (Korean: 처음이라서; RR: Cheo-eumiraseo; lit. Because It's The First Time) is a South Korean television series written by Jung Hyun-jung and directed by Lee Jung-hyo. It stars Choi Min-ho, Park So-dam, Kim Min-jae, Jung Yoo-jin, Lee Yi-kyung and Cho Hye-jung. It is the first drama produced by OnStyle network, and it started airing on October 7, 2015, every Wednesday at 23:00 (KST) for eight episodes. The series centers around six young people who gather on the rooftop of Tae-oh's house as their hideout. They each have their own story.

In 2019, the series was rebooted on Netflix under the title My First First Love.