Ko Sang-Sik is in his 40’s and still single. He works as the environmental facility section chief at city hall. Ko Sang-Sik becomes involved with Kang Min-Joo. She is also in her 40’s and still single. She works as a PD at a broadcasting station.

• Second to Last Love
• Choi Hyeong-Hun
• Kim Hee-ae
• Ji Jin-hee
• Kwak Si-yang