- Minho Lee
- Age: 22
- Job: Aspiring Musician
- Appearance: Tall and athletic, with tousled dark hair and intense brown eyes. He often wears leather jackets and fitted jeans, exuding confidence.
- Personality: Assertive and charismatic, Minho naturally takes charge in situations. His protective nature stems from deep care for his friends, especially Seungmin. Beneath his tough exterior, he is sensitive and channels his emotions into music.
- Background: Growing up with Seungmin, Minho encouraged him to take risks and pursue their musical dreams. After Seungmin's tragic death, Minho feels a heavy responsibility to honor their friendship and dreams.
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- Seungmin Kim
- Age: 22
-Job: Student and Part-time Barista
- Appearance: Bright smile, short neat hair, and a casual, colorful wardrobe that reflects his cheerful personality.
- Personality: Outgoing and empathetic, Seungmin balances Minho's dominance with his nurturing qualities. He inspires Minho and serves as his emotional support.
- Background: Seungmin thrived under Minho's encouragement, sharing dreams of songwriting. His sudden passing leaves Minho grappling with profound loss and unfulfilled aspirations.