Episode 1 S01 E01

Lee Young-eun (as Oh Sin-young) Choi Won-young (as Yoon Min-joon) Oh Yoon-ah (as Go Hyun-sung) Kim Ha-kyoon (as Yoon Hwang-goo) Song Ok-suk (as Na Pil-boon) Jeong Dong-hwan (as Chae Dae-pil) Lee Chang-hoon (as 채혁진)