The second and longer trailer of 'Gangnam 1970' was already released.
On the trailer, AOA's Seolhyun appeared. As her debut film, she will be portraying as the sister of Lee Minho. 'Gangnam 1970' will be released on January 21, 2015.
Watch below:
Gangnam 1970's 2nd teaser features AOA’s Seolhyun