Currently, photos of their ''date'' are circulating the web. The man in the photo is undoubtedly Hongseok while the girl is speculated to be Lee Soo Hyun. Netizens claim the location of her piercings and moles match with Lee Soo Hyun. 

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Many expressed shock and frustration about the photos. Comments stated, "What? They must be filming something or are close friends", "Soo Hyun didn't even debut yet!! How could she??", "Wow, they're so free and open..."

Meanwhile, some claimed that the girl in the photo isn't Lee Soo Hyun but rather Hongseok's cousin. The debate about the idol star's relationship with the girl is ongoing while her identity remains a mystery. 

What do you think of the dating rumors?