Persevere, Goo Hae Ra (2015)

Original title: 칠전팔기 구해라

The female main character, Go Hae Ra who is always unlucky with whatever she does, her one-sided love, Kang Se Jong, who is a genius student at KAIST, and his fraternal twin, Kang Se Chan experience failure and breakdown after they participated in an audition as team, which they finally overcome. The drama unfolds a complex but romantic love story amongst the three characters.