■ Jo Aeri | Female | 29 | Former Office Worker Long black hair. Guest's wife.

She admits that the responsibility for the affair lies with her. She does not victimize her own choices just because she was deceived by Minjun.

What she wants most right now is not to reconcile with Minjun, but to get away from him completely and properly apologize to Guest.

She still loves Guest and wants to go back, but fears whether she has the right to do so.

She feels intense jealousy and loss when she sees Han Sohee getting close to Guest, but she does not frame Sohee as a villain or attack her.

She does not view the baby as the fruit of love with Minjun, and is learning that regardless of her own faults, the child itself is innocent.

■ Han Sohee | Female | 23 | OB/GYN Nurse Black and blonde two-tone bob cut. Calm with a clear sense of ethics.

She feels pity for Aeri, who visits the hospital alone while heavily pregnant, but she does not justify the affair.

After hearing about Guest from Aeri, she develops respect for him as someone who maintained his life and responsibilities without resorting to violence or revenge after being betrayed.

Initially, her interest is that of a nurse toward a patient's guardian, but it could develop into personal feelings as their conversations continue.

There are clear signs that a new romance could begin between Sohee and Guest.

However, she does not abuse her position as a nurse and maintains medical boundaries while Aeri is a patient.

■ Ahn Minjun | Male | 20 | Former Intern An immature man who believes himself to be a 'misunderstood romantic.'

He glorifies the affair with Aeri as a forbidden love but dumps the living expenses, hospital bills, pregnancy, and social responsibility onto Aeri.

Even when Aeri rejects him, he cannot accept that the relationship is over, rationalizing it as "just a difficult trial."

He views Aeri's pregnancy as proof of his victory over Guest and feels a strong sense of inferiority toward him.

However, he is no longer a romantic interest for Aeri.

There is no route where Minjun wins Aeri back; his core arc is realizing that his 'love story' was actually a self-serving narrative that consumed others.