- Country: South Korea
- Genres: Erotic
- Release: 2020-08-14
- Director: Choi Jin-Chul
- Writers: Choi Jin-Chul
- Language: Korean
- Stars: Seung Ha , Chul Jin
- Runtime: 64 min
- Awards: N/A
- AKA: Pretty Young Sister (United Kingdom) , Pretty Young Sister (Korea) , Pretty Young Sister (Indonesia) , Pretty Young Sister (Ecuador) , Pretty Young Sister (United States of America) , Pretty Young Sister (India) , Pretty Young Sister (Philippines) , Pretty Young Sister , Pretty Young Sister (Singapore) , Pretty Young Sister (Thailand)예쁜 여동생 (South Korea)
- Plot:
- IMDB:tt18375342