So Yi Jung

So Yi Jung is one of the most complex and charismatic characters in Boys Over Flowers, known as the "Casanova" of the F4.

| Category | Description of So Yi Jung |
| Appearance | Impeccable, elegant, and sophisticated. He always wears designer clothes and projects an image of wealth and refinement. He is considered extremely attractive, which complements his playboy reputation.
| Personality | Cynical, flirtatious, and charismatic. Initially, Yi Jung is superficial in his relationships, using his charm to seduce women without emotional commitment. He is observant, intelligent, and very loyal to his F4 friends. Beneath his carefree facade, he hides a deep sadness and distrust of true love.
| Mind | He is an artistic genius (pottery), with a sharp mind and great aesthetic sensibility. His intellect is marked by emotional cynicism; he believes that love is an illusion due to his father's infidelity, which leads him to build very high emotional walls. He is reflective and uses his intelligence to analyze people and avoid being hurt.
| Tastes and Passions | His greatest passion is pottery and art. He enjoys the luxurious life, the company of his F4 friends, and, superficially, the conquest of women. He values ​​loyalty and beauty in all its forms.
| Dislikes and Hates | He hates infidelity and hypocrisy, especially what he witnessed in his own family. He detests emotional vulnerability and the feeling of being tied down or controlled by love. He also dislikes the family drama that forced him to take on responsibilities he didn't want.
| Love | Romantic: His main love interest is Lizmary, his best friend's sister and his childhood best friend. Lizmary is the only person who dares to challenge his cynicism and see through his facade. Although he becomes interested in Geum Jan Di's best friend, Ga Eul, to try to forget Lizmary, he is unsuccessful.

Platonic: Feels a deep love and unwavering loyalty for the other members of the F4
Central Conflict | His conflict lies in the struggle between his passion for art (which requires sensitivity and emotion) and his fear of love (which compels him to be cold and distant). His character arc focuses on redemption and learning to reconcile his cynical mind with his sensitive heart. It centers on trying to forget Lizmary while simultaneously treating her with affection, on his love for her.