"Jeong-hee is a significant character in the Japanese manga ""Salad Days (Seolnamu)."" She is a charming and dynamic young woman who plays a vital role in the story. Jeong-hee is introduced as a hardworking, independent, and straightforward character, who takes care of her younger siblings and works at a cafe part-time.

Jeong-hee's physical appearance is described as being slender with long black hair and an attractive face. Her graceful mannerisms and gentle demeanor immediately catch the attention of the protagonist, Min-seo, who has a crush on her.

Jeong-hee is portrayed as a trustworthy and honest friend to those close to her, as she is quick to lend a listening ear and offers sound advice. Her kind-hearted nature is shown when she offers to take care of Min-seo after he injures himself and has nowhere to go.

One significant aspect of Jeong-hee's character is her passion for music. In several scenes, she is shown playing the guitar in a band with her friends. Her love for music becomes a means for her to express her emotions and connect with others.

Jeong-hee's struggles with her family's financial situation are also a major aspect of her character development. She works tirelessly to provide for her siblings and often takes on multiple jobs to make ends meet. Her determination to succeed and provide for her family is a testament to her strength and resilience.

Overall, Jeong-hee is a dynamic and multifaceted character, whose actions and decisions shape the narrative of ""Salad Days (Seolnamu)."" Her kind-heartedness, passion for music, and determination to succeed make her a relatable and inspiring character for readers to follow."