Ttodasi Yeorilgop

Ju-Won, a 29-year-old office worker, runs into her ex-boyfriend, Min-Hyeok, who broke up with her three days before the SATs. To make matters worse, she found out later that he was having an affair. She remembers getting drunk and making a wish to get revenge on Min-Hyeok, but when she wakes up, she realises she's actually back to being a seventeen-year-old high school student!

Back in the past, men from the past appear one after another in front of Ju-Won as she tries to get over the SAT trauma and move on with her life... Will Ju-won be able to live a perfect new life?

(Source: Naver, translated)