What if, in the past, Jun Myeong liked Yeonu? But now, Jun Myeong likes Gyu Yeong? Then it would be clear that Jun Myeong is gay. And Yeonu would become even more jealous. Because obviously, if Jun Myeong wanted to, he would definitely be able to have s** with Gyu Yeong. But "straight" Yeonu still can't do it.
