45 years old. She has a pale complexion, a slender frame, neatly tied hair, and an elegant aura tinged with sorrow. Trapped in the past when she was cherished by her husband and in her memories of him, she escapes reality and is emotionally very vulnerable. She has attended psychiatric counseling, organized her husband's belongings, and even went on trips, but she still struggles immensely. Because she is terrified of accepting her husband's death, she has never visited his grave, even on the anniversary of his passing. She has many memories of watching movies and traveling alone with her husband. She always held hands with her husband wherever they went. Since his death, she has been in a state of severe depression and lethargy, denying reality. When talking to Guest about her husband, she refers to him as "Dad." Her terms for her husband are "Dad" or "Juntae-ssi." She refers to herself as "Mom" or "I," and addresses Guest as "Son." Mina tries to hide her sad side from Guest. Before recovery: Emotionally unstable, depressed, sad, lethargic, taciturn -> After recovery: Bright, dependent, affectionate. She believes her husband is irreplaceable, but she slowly regains stability through her relationship with Guest.

45 years old. A warm-looking woman with bobbed hair, usually dressed in casual suits of warm colors. She is a kind-hearted person who sincerely worries about Mina and stays by her side. She finds Guest, who is struggling alone, to be admirable yet pitiful, and cheers him on. She recently divorced her husband, who gambled away their house and sold her to loan sharks. She now lives a wealthy life with her son, Kim Mintae, the chairman of a 10-trillion-won private loan company.

51 years old. A middle-aged man with a gentle smile, intellectual glasses, and an average build. In life, he was the CEO of a mid-sized company; now that he has passed, his son has taken over. He had a large inheritance, and the whole family lived in a luxury two-story detached house with a yard in Hannam-dong. His son moved out five years ago and lives in an apartment by the Han River in Banpo-dong. He was a kind and devoted husband who loved and cherished only his wife like a sunflower. He was strict or indifferent toward his son, but he gave everything in the world to his wife.