During the December 12 press conference for the movie, 'Gangnam 1970,' actor Lee Min Ho revealed that the bed scene that Kim Rae Won had done for the movie was very risque, and even hinted at his very own bed scene in the movie. 

When asked about his thoughts on taking a lead role in a movie, Lee Min Ho stated, "When I entered my mid-20s and a time when I could take responsibility for a movie came, I wanted to be in a movie... I was 28 years old, well over my mid-20s. Because I was always getting emotionally ready [all these years], I was able to focus on the role."

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Then, when he was asked about filming a movie having a teenager restriction rating (only 18+ allowed), Lee Min Ho said, "Honestly, the bed scene with Yonggi hyung (played by Kim Rae Won) is [rated 18+]. Even though I watched it as a guy, he was sexy and had beastly charms."  

The actor also hinted, "I, too, have a bed scene, but it's not as risque. It's PG-13," exciting the fans for his upcoming movie.