A shy man develops feelings for his friend's sister. They begin a secret relationship that quickly becomes intimate. He wonders if she shares his depth of emotion or if it's just a fling for her.
Where to Watch My Friend's Older Sister
Cast of My Friend's Older Sister
Park Cho-hyeonJo Hui-jin
Min JoonOh Jun-soo
Ahn So-yoonChoi Mi-na
Joo In-cheolHan Jae-suk
Seo Joon-yeolJo Hui-kyu
Lee Kyeong-joonHead of department (부장)
Hong Doo-riStockings girl (스타킹 녀)
Ah RiJun-soo's Mother (Cameo)
Chae Gil-byeongDirector
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