Actress Kim So Yeon might be competing on the masked singing competition show 'Mask King'.

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Her agency Namoo Actors announced on September 6, "We can't confirm or deny her appearance on 'Mask King'." The vague response has viewers anticipating Kim So Yeon's unexpected appearance on the show. Though she's been in a number of hit dramas, the actress' singing ability hasn't been showcased thus far.

In other news, Kim So Yeon and her 'Happy Home' co-star Lee Sang Woo were confirmed to be in a relationship.

Stay tuned for updates on Kim So Yeon's possible 'Mask King' appearance!