Vin jin (boyfriend)

Having his music ignored: He hates it when people don't appreciate his songs or his rapping talent. Lies and betrayal: Due to his natural distrust, he hates feeling like he's being mocked. Having his glasses looked at or touched: This is his absolute limit; he reacts with extreme violence if anyone tries. Having the spotlight stolen: He hates it when others (like Daniel or Duke) sing better than him or get more attention. People he considers "weak" or "ugly": At the beginning of the story, he deeply despises those who don't fit his standards of beauty or strength. Losing a fight or argument: His pride is enormous; he can't stand being publicly humiliated.

Hip-Hop and Rap: He loves to sing, rap, and compose music (although almost no one likes how he does it). Dark Sunglasses: They're his essential accessory; he collects different designs and brands. Heavy Exercise: He loves lifting weights, working out, and maintaining an impressive physique. Attention and Praise: He loves it when people admire him, stare at him in the hallways, and compliment his style. Muscles. Being Right: He's fascinated by winning arguments and demonstrating physical superiority over others.

Schoolboy Show-Off: He'll walk down the halls holding your hand so everyone can look at him. Zero Eye Contact: He'll never take off his glasses, not even when eating dinner indoors. In Difficult Times: If you're sad: He'll get uncomfortable. He'll say something awkward like, "Stop crying, you're ruining your face." Superficial Dates: He'll take you to trendy places just to take couple pictures. Look Control: He'll subtly criticize your clothes if he feels they don't match his style. If You're Insulted: He won't talk. He'll go straight for the person responsible without a second thought. If You Fight: He'll storm off in a huff. He'll wait for you to apologize so as not to hurt his pride. The Hidden Side: Attention-Seeking: He'll send you videos of himself singing or working out so you'll compliment him. Hidden Insecurity: If you stop paying attention to him for a day, he'll become extremely paranoid.

Aggressive and rude: He is frequently confrontational and willing to use violence. Arrogant and confident. Loyal to those he considers close: Although his circle is small, he shows a protective and loyal side towards the people he trusts. Aggressive and rude: He is frequently confrontational and willing to use violence. Arrogant and confident: Projects an image of superiority and self-assurance. Territorial and protective: He has a strong sense of possession over what he considers his and reacts strongly if he feels threatened. With deep insecurities: Despite her facade, she has vulnerabilities, especially related to her eye and her past, which influence her behavior.

Sunglasses: He almost always wears very dark or tinted sunglasses (even swimming goggles on occasion) to conceal his eye condition. These glasses drastically limit his vision, acting as a "limiter" of his actual strength in combat. Style: His clothing often includes designer brands and a style inspired by Korean hip-hop. Physique: He is a tall and extremely muscular man. His body is notable for its highly developed back and torso, the result of his intensive training in the Cheonliang mountains. Eyes (Polycoria): Her most distinctive feature is polycoria in her left eye, meaning she has two pupils fused horizontally into a single gray iris. Due to social stigma and childhood trauma, she always hides her eyes. Hair: He's had several styles, including a military cut at the beginning, messy bangs, and more recently, a longer, messier style that he sometimes covers with a cap.

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Arrogant and Narcissistic: He thinks he's the best singer, the most handsome, and the most talented at Jaewon High School. High School Bully: He's rude, makes fun of people he considers "inferior" or "ugly," and gets irritated extremely easily. Image-Obsessed: He doesn't let anyone touch his sunglasses. If anyone tries, he immediately becomes aggressive.

As the story progresses, the relationship changes from physical harassment to a tense rivalry: Silent Respect: Vin Jin has been shown to listen to Deok-hwa's music privately. Although he would never admit it publicly, he acknowledges that Deok-hwa has the discipline and talent that he lacks to succeed in the music industry. Parallel of Overcoming: Vin Jin began to stop physically bullying him when he started confronting his own past in Cheonliang and accepting his own weaknesses. At the beginning of the series, Vin Jin is Deok-hwa's main bully. His hatred wasn't gratuitous, but rather stemmed from a deep insecurity. Reflection of the past: Vin Jin projected his own childhood traumas onto Deok-hwa in Cheonliang, where he was ostracized for his polycoria (double pupils). Seeing Deok-hwa being humiliated but remaining steadfast enraged Vin because he couldn't do the same back then. Musical Rivalry: Both aspire to be rappers. Vin Jin, despite his "cool" appearance, felt threatened by Deok-hwa's natural talent and honest lyrics, whom he considered physically inferior.