- Drama: Backstreet Rookie (English title) / Convenience Store Saet-Byeol (literal title)
- Revised romanization: Pyeonuijeom Saetbyeoli
- Hangul: 편의점 샛별이
- Director: Lee Myung-Woo
- Writer: Hwalhwasan (webcomic), Geumsagong (webcomic), Son Geun-Joo
- Network: SBS
- Episodes: 16
- Release Date: June 19, 2020 —
- Runtime: Friday & Saturday 22:00
- Language: Korean
- Country: South Korea
Choi Dae-Hyun (Ji Chang-Wook) runs into a group of female high school students, including Jung Saet-Byeol (Kim You-Jung). The girls look like troublemakers. Jung Saet-Byeol asks Choi Dae-Hyun to do an errand for them, which is to buy cigarettes from a convenience store. Choi Dae-Hyun buys the cigarettes for them and Jung Saet-Byeol gets his cellphone number, but he never gets a call from her.
4 years later, Choi Dae-Hyun is now 33 years old. He runs a small convenience store after he quit his job at a large company. He is looking for a part-time worker to work the night shift at his convenience store. Jung Saet-Byeol comes to his store and she soon starts to work there. She is not a troublemaker anymore. Jung Saet-Byeol is now a university student and guided by her strong morals.