Sung Joon must have become used to following miss A's Suzy around when he played her character's bodyguard in "Gu Family Book."

Recent photos showed the two actors at a Japanese restaurant. The photos showed him protectively placing his arm around her shoulders and in response she affectionately touched his hand.

The photos, which were taken in September but only released this week, sparked a frenzy of dating rumors, which Suzy's agency promptly denied.

"Suzy and Sung Joon are just close friends," said a JYP representative.

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