In the most recent video, Lee Min Ho, Park Shin Hye, Kim Ji Won, and Kang Min Hyuk began talking about blood types and tried guessing the blood types of all the actors involved with the drama.
It turned out that out of the four actors present on location, Lee Min Ho, Park Shin Hye, and Kang Min Hyuk are all blood type A’s. Kim Ji Won is blood type B.
When Park Shin Hye announced the neat fact to the director, the director also replied that he was blood type A, adding to the joyful atmosphere.
It was also revealed that f(x)′s Krystal is A, while Choi Jin Hyuk was O.