“Oppa Will Date Instead” is a romantic drama that focuses on the love stories of high school best friends Min Joo (Bomi), Kang Chan (Lee Se Jin), Bang Hee (Sumin), and Hyun Beom (Jung Jin). Everything begins when Min Joo, who has one-sidedly loved Kang Chan for a long time, ends up having her deceased brother Dae Yeon’s (Jang Chun’s) soul take control of her body. To fulfill his younger sister’s one-sided love, Dae Yeon does his best to win over Kang Chan’s heart.