"Kin-iro no Corda Daigakusei-hen" is a continuation of the "Kin-iro no Corda" series, focusing on the collegiate lives of its characters as they navigate personal growth, relationships, and their passion for music. The story centers on Kahoko Hino, a talented violinist who, after her high school years at Seiso Academy, enrolls in a prestigious music university. Alongside her are familiar faces from the original series, including Len Tsukimori, Ryotaro Tsuchiura, Kazuki Hihara, and others, each pursuing their own musical aspirations.

At the university, Kahoko faces new challenges as she balances her academic responsibilities with her dedication to the violin. The competitive environment pushes her to refine her skills and confront her insecurities. Her relationships with her peers deepen, particularly with Len, whose reserved demeanor contrasts with his unwavering support for Kahoko. Ryotaro, a childhood friend and fellow musician, continues to play a significant role, offering encouragement and camaraderie. Kazuki, with his cheerful personality, remains a source of positivity, while other characters like Shimizu Keiichi and Yunoki Azuma bring their unique perspectives and challenges to the narrative.

The plot explores themes of ambition, rivalry, and self-discovery, as the characters participate in various musical competitions and performances. These events serve as catalysts for personal growth, highlighting the pressures and rewards of pursuing a career in music. Romantic undertones are woven throughout the story, with subtle developments in Kahoko's relationships, particularly with Len, as they navigate their feelings amidst their shared passion for music.

The series maintains a strong focus on the emotional and artistic journeys of its characters, emphasizing the importance of perseverance and collaboration. Through its exploration of music and relationships, "Kin-iro no Corda Daigakusei-hen" offers a compelling continuation of the original story, appealing to fans of the franchise and newcomers alike.