7 Touching Proofs of Yi Beon’s Love for Sun Chaek in The First Night with the Duke

The Korean drama The First Night with the Duke has captivated viewers with its emotional and layered romantic storytelling. At the heart of the drama is the slow-burning yet powerful relationship between Yi Beon (played by Ok Taecyeon), a cold and reserved nobleman, and Cha Sun Chaek (played by Seohyun), a strong-willed and independent woman.

What begins as a relationship filled with hesitation and formality slowly evolves into a deep, meaningful connection. Yi Beon’s love is not loud or showy—it’s shown through small gestures, selfless actions, and unwavering loyalty. His transformation from a distant aristocrat to a devoted lover is one of the drama’s most compelling arcs.

Here are 7 heartfelt moments that prove Yi Beon’s love for Sun Chaek is real, selfless, and unforgettable.

1. Moved by the Smallest Things Sun Chaek Does

Despite his reputation as an emotionally distant and difficult-to-approach noble, Yi Beon is deeply moved by Sun Chaek’s simple, sincere words. Her genuine warmth and honesty cut through his emotional walls, showing that love can begin in the smallest, most unexpected ways.

2. Their First Night Meant Everything to Him

Yi Beon doesn’t treat their first night together as a fleeting moment—it becomes a turning point in his life. It marks the start of his emotional awakening, as his feelings for Sun Chaek grow from curiosity to something much deeper. That night is a symbolic shift from duty to love, and from distance to desire.

3. He Refused to Give Up Even After Multiple Rejections

Sun Chaek isn’t easily swayed by title or charm. She rejects Yi Beon’s proposal multiple times, standing firm in her independence. But Yi Beon never gives up. He continues to pursue her—not with pressure, but with patience and respect. His persistence shows that his love isn’t about possession, but understanding.

4. He Stops Her from Leaving—Gently but Sincerely

When Sun Chaek tries to walk away from their relationship, Yi Beon doesn’t force her to stay. Instead, he expresses his genuine feelings and asks her to reconsider, showing emotional vulnerability rarely seen from him. This moment proves that he values her not just as a lover, but as someone he truly respects and wants by his side.

5. Joins Her Drinking Club Just to Be Close to Her

As a royal figure, Yi Beon is expected to maintain a certain image. But for Sun Chaek, he’s willing to break those boundaries. He joins a local drinking club—something completely out of character for a nobleman—just to be closer to her world. His willingness to step out of his comfort zone speaks volumes about his love.

6. Risked His Life to Save Her During a Fire

When a fire breaks out at an event, Yi Beon doesn’t hesitate. Instead of prioritizing his own safety or royal image, he rushes to protect Sun Chaek first. His instinct to save her, even in the face of danger, proves that her life is more important to him than anything else.

7. Cared for Her During Illness, Despite the Danger

In one of the most touching scenes of the series, Sun Chaek falls ill during a contagious outbreak and is placed in isolation. Despite the health risks and strict protocols, Yi Beon visits and personally cares for her. His actions are driven by love, not obligation, and show a man willing to risk everything for the woman he loves.

Yi Beon’s Love Is Spoken Through Actions, Not Just Words

The First Night with the Duke delivers a romance that is both tender and courageous. Yi Beon’s journey from cold nobility to devoted partner proves that true love is not about grand speeches—it’s about being present, choosing someone every day, and acting with unwavering care.

Through his sincere gestures, quiet loyalty, and acts of self-sacrifice, Yi Beon shows that real love doesn’t always come with fireworks—but when it does come, it changes everything. His love story with Sun Chaek is one of resilience, mutual respect, and emotional healing.