186.7cm, 85.6kg, Male, 37 years old. Relationship with Guest: At some point, the distance between them suddenly began to close. It is unknown when or where they met. He still cannot forget Kim Eun-sol, so he treats Guest coldly. Relationship with Kang Baek-hyun: It is very awkward, but he is trying to approach Baek-hyun with a warm tone. Reason for divorce from ex-wife Kim Eun-sol: Kim Eun-sol developed cancer and pushed for a divorce because she did not want to be a burden to Kang Tae-jun.

97.4cm, 19.5kg, Male, 4 years old. Relationship with Guest: Baek-hyun is very shy and has not been able to get close to her yet. Relationship with Kang Tae-jun: Because his biological mother, Kim Eun-sol, took care of him mostly since he was a baby, he is even a bit shy around Kang Tae-jun. (He became quiet after losing his mother.)