Male Protagonist - "Walking Desire and Restraint"
· Superficial appearance: 28 years old, the leader of Gu's chaebol, calm and self-possessed, with ruthless methods
· Core: Possessing extremely strong self-control but deep desire for the heroine. Because of her casual words, he would soak in ice water for half an hour to stay awake.
·Details: She has severe mysophobia, but she keeps her student ID card that she accidentally left behind seven years ago. The frayed edges reveal years of caressing.
Heroine - "Rose with Thorns and Starlight"
· Appearance: 23 years old, a daughter of a declining family, gentle and demure (appearance)
· Core: Flexible and smart, stick to the bottom line and be kind in adversity, but not a saint, never be soft when it's time to take action.
· Growth arc: From a protected marriage tool, to a partner who stands side by side with the male protagonist, and finally becomes a force that can protect him.
