
12 Years Promise
Jang Guk is a country bumpkin who just transferred into a school in Seoul. She falls for Yoo Jun Su, the most popular boy in school. As her crush on him grows, they spent the night together which leads to her pregnancy. Their two families are thrown into chaos and Jang Guk suffers a miscarriage due to an accident. Jang Guk’s mother sends her away to the U.S., hoping that her daughter would be able to lead a new life. They meet again 12 years later, but Jun Su does not recognise Jang Guk.
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Top Cast

Lee So-yeon
Jang Dal Rae "Jang Kook" · 26 eps

Namkoong Min
Yoo Joon Soo · 26 eps

Lee Tae-im
Joo Da Hae · 26 eps

Shin Dong-mi
Yeo Ok [theater actress] · 26 eps

Jung Woo-yeon
Joo Da Hae [Young] · 26 eps

Yoon So-hee
Jang Kook [Young] · 26 eps

Uhm Hyo-seop
26 eps

Cheon Ho-jin
26 eps

Lee Han-wi
26 eps

Bae Jong-ok
26 eps

Park Hae-mi
26 eps

Hong Ji-min
26 eps




















