During an interview for tvN"s drama "Heart to Heart", which took place in a caf in Kwanghwamun, Seoul on January 20th, said Choi Kang-hee, "Cheon Jeong-myeong told me it was the first time for him to shoot a kiss scene as such. So I personally felt so sorry because I"ve done many kiss scenes before in different dramas. So I was fine and prepared for it calmly. But he said he was so shy. The actual situation was completely opposite to the scene in the drama".
Cheon Jeong-myeong said, "I wanted to concentrate during filming, but I felt so awkward. If we could have chances to share emotions as a couple beforehand, it could have been natural for me. But I had to kiss her all of sudden, which made everything awkward".
"Heart to Heart", of which first episode aired on January 9th, is a romance drama between Cha Hong-do (Choi Kang-hee), who suffers from involuntary blushing of face, and a psychiatrist, Cheon Jeong-myeong (Go I-seok). Ahn So-hee plays Go Se-ro, Cheon Jeong-myeong"s little sister, who is an actress wannabe with an awful acting skills. Lee Jae-yoon-I plays Jang Doo-soo, a manly detective working for serious crimes unit.