t's not an easy job being an actor but it does have its perks. For one thing, there are kiss scenes with attractive co-stars that have to be filmed, sometimes for hours.

Recently filming Gu Hye Sun's kiss scene with Ahn Ja Hyun for "Blood" lasted three hours. Shown on April 7, it was the first kiss scene in the drama's 16 episodes so they had to get it right.

Ahn Jae Hyun's vampire doctor character had no experience dating let alone kissing humans. So he was expected to be inexperienced at kissing.

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