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  • Genre : Drama Series
  • Premiere on KBSWorld :
  • Number of Episodes : 16
  • Runtime : 70'
  • Showtime : Mon-Thu 23:00 | Re-run: Tue-Wed 04:10 | Tue-Wed 10:10 (Seoul, UTC+9)


A romantic fantasy drama about various happenings of an 18-year-old boy, as he wakes up one day as a 30-year-old adult.


Gang GyeongJun (Cast : Shin WonHo)

Gang GyeongJun is an 18-year-old boy who is going through a stormy period of adolescence. He acts like as if he is a grown-up, but he is not respectful to adults. Cynical, sensitive, defensive, and unpredictable... One day, by an accident, GyeongJun wakes up as a 30-year-old adult, called Seo YunJae.

Seo YunJae (Cast: Gong Yoo)

Gil DaRan's fiance. Literally, YunJae, a pediatrician, is an eligible bachelor. Good-looking face, educational and family background; he is an all-around guy who has got everything.

Gil DaRan (Cast: Rhee MinJung)

She has been taking an exam to be a teacher and works as a temporary teacher at high school. She is a diligent and hard-working teacher, but sometimes eccentric. She loves her fiance YunJae, but she feels small in front of him because of his background.

Jang Mari (Cast: Bae Suzi)

The daughter of a man who GyeongJun's mother loved back in the U.S. Mari also falls in love with GyeongJun, so she stubbornly opposed to their wedding. Since Mari is close to GyeongJun's mum, she knows so much about GyeongJun. An eccentric character who respects Lady Gaga.

Behind the Scenes

Gyeongjun pretends not to remember anything [Big]
Yunjae's hidden brother has shown up [Big]
Daran and Gyeongjun’s wedding photo shoot [Big]



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