누나 친구
- annos singulos: 2016
- Patriam: South Korea
- genus: Romance, Drama
- Studio: Four Seasons of Younghwasa
- keyword: extramarital affair, stepsister, step-sibling romance
- Director: Shin Hyeon-cheol
- cast: Jung Seo-yoon, Yugang Kim, Joo In-cheol, Park Cho-hyeon, Jeong Dong-gyoo, Kim Neul-me
