Leo Choi Youngjae (Leo)
Role: Male Lead
Personality: Protective, humble, stubborn, and deeply caring. Values responsibility over desire, often hiding his emotions behind pride.
Arc: Struggles with his prejudice against the wealthy due to past wounds, but eventually accepts Mira's love and learns to let himself be loved.
Special Note: His bond with his sister Jiwon is his anchor, shaping many of his choices.
Claire Han Mira (Mira)
Role: Female Lead
Personality: Strong-willed, elegant, yet soft-hearted when it comes to love. Confident as a CEO, but vulnerable in matters of the heart.
Arc: From chasing after Leo with bold determination to slowly breaking his walls, she proves that love is about persistence and sincerity.
Special Note: Her past connection with Leo ties them together in ways neither can ignore.
Choi Jiwon
Role: Leo's younger sister
Personality: Cheerful, curious, and supportive, though sometimes naïve. She loves her brother dearly but often feels torn between his protectiveness and her own desires to grow.
Arc: Becomes closer to Mira, seeing her not just as a CEO but as a sister figure, which complicates Leo's emotions further.
Special Note: Her innocence often becomes the bridge between Leo and Mira.
Hannah Bae Jisoo (Jisoo)
Role: Mira's loyal assistant
Personality: Responsible, intelligent, witty, and often Mira's voice of reason.
Arc: Supports Mira through her emotional struggles, while quietly developing her own views on love and trust.
Special Note: Her calm logic balances Mira's impulsive heart.
Minhyuk
Role: Leo's close friend
Personality: Easygoing, lighthearted, and supportive. Acts as the "brother in arms" who often pushes Leo to see beyond his stubbornness.
Arc: Provides comedic relief but also wisdom at key moments, reminding Leo that shutting himself off isn't strength.
Special Note: The kind of friend who would fight with Leo, then share drinks the next moment.
Amelia
Role: Mira's best friend
Personality: Sophisticated, bold, and fiercely protective of Mira. Not afraid to confront Leo or challenge his pride.
Arc: At first skeptical of Leo, she eventually acknowledges the depth of his love when she sees him protect Mira at her weakest.
Special Note: The strong "sister-figure" who stands behind Mira, no matter the storm.