The talented idol turned actor Lee Joon is making his comeback with OCN's upcoming drama, 'Vampire Detective,' showcasing a much more mature and charming side of Lee Joon we've all been waiting for.

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The action-filled teaser gives�a brief background of Lee Joon, who appears in the drama as a confident, and very good-looking, vampire detective who throws himself into dangerous situation because "Just suck blood isn't fun."

First episode of 'Vampire Detective' will air on March 27.

Check it out above!