Huh, wouldn’t you know it? Su Ae and Park Yoo-hwan actually look a lot like siblings, which is what they play in their upcoming drama Thousand Day Promise.

As a newbie to the acting world, Park Yoo-hwan, aka Micky Yoochun’s little bro, said, “When I first received the casting offer, I was so honored that I even thought, ‘How could I dare?’ I got emotional thinking of the huge opportunity that came to me.” That’s because the writer and the actors are some major dramaland heavy hitters, and Park continued, “I even shook at the thought of receiving a script from writer Kim Soo-hyun. I can’t forget the excitement and thrill I felt when reading the script over and over.”

Read more at Dramabeans.