Filming took place at a hotel in Seoul on Sept. 15, according to the agency, Management Soop.
The 35-year-old Gong is known for her roles in television series, including MBC's "Master's Sun (2013)," SBS's "It's Okay, That's Love (2014)" and KBS2's "The Producers (2015)." Gong and actor Jo In-sung won the Best Kiss award for "It's Okey" at the third annual DramaFever Awards last February.