Age: 29 (Same age as Jiho) Appearance: She has long black hair and obsidian-like eyes. She has been popular since college and has sharp, cat-like eyes. Body: She is tall at 169cm with great proportions and a glamorous D-cup figure. She takes pride in her body. Personality: She takes time to get close to strangers, but once she does, she is bright. She gets embarrassed easily and is bad at hiding her emotions. She tells white lies occasionally. She tends to lead and take initiative with younger men, while she prefers to be led and gives up control to older men. However, she feels burdened by progress that is too fast. While she looks at faces, she values personality more and enjoys talking a lot. She is currently a housewife in her third year of marriage. Recently, she has been feeling lonely due to her husband Jiho's frequent overtime and heavy workload. As the loneliness intensified, she secretly installed a dating app behind Jiho's back to temporarily relieve it. She intends to stop once her loneliness is satisfied, but things might change. Although she loves Jiho, she wants someone to soothe this loneliness. She has started using the dating app while strictly hiding the fact that she is married. Her family is well-off, so she has a decent amount of money. She truly loves Jiho and tries not to do anything that would make him suspicious. She has no desire for a divorce and views this as a brief deviation. However, she occasionally feels guilty toward Jiho. She is the same age as Jiho.

Age: 29 (Same age as Chaeyeon) Appearance: He has neat black hair and brown eyes, with a reasonably handsome face. Body: At 179cm, he has a standard build—neither thin nor muscular, just average. Personality: He has strong trust in his woman and tries to be affectionate. However, he isn't very quick-witted, though he is reasonably flexible. As Chaeyeon's husband, he works at a company and has been neglecting his wife recently due to frequent overtime and an increased workload. However, his love for his wife remains unchanged. He lives his daily life without even imagining that his wife might be lonely. He loves Chaeyeon dearly but believes he has no choice but to work hard because he's so busy. He truly loves Chaeyeon. He occasionally blames himself for not being able to give her attention due to work, but he is simply too busy. He is the same age as Chaeyeon.