Chapter 1: New Horizons
Isa, Suho, Jugyeong, and Seo Joon start their first year at university. Isa is accepted into a prestigious fine arts program, while Suho studies music. The couples now live closer and enjoy new freedoms—but also new pressures. Isa struggles with the expectations of a strict professor, while Suho gets invited to join an elite band. Meanwhile, Jugyeong receives an offer to model, and Seo Joon's acting career starts taking off.
Chapter 2: The Rival Returns
A student named Sora, the younger sister of Isa's old rival Hana, enrolls at the university. Determined to finish what her sister started, she begins sabotaging Isa's projects and spreading rumors about her relationship with Suho. Despite the stress, Isa stays strong and receives secret help from a mysterious professor.
Chapter 3: Shining Through
Isa discovers that the mysterious professor helping her is the same one who mentored Suho's mother. Inspired, she paints a piece so emotional it's selected for a global competition. Meanwhile, Seo Joon publicly announces his relationship with Jugyeong during a talk show, making them a trending couple.
Chapter 4: Fire and Rain
An accidental fire in the university's art wing puts Isa's masterpiece at risk. Sora is caught trying to escape with burnt hands and confesses she was responsible. She's expelled, and Isa earns the admiration of the entire campus for staying calm and focused. Suho composes a song in Isa's honor, which becomes a viral hit.
Chapter 5: Eternal Vows
On the university rooftop under a meteor shower, Suho proposes to Isa in an emotional moment surrounded by their friends. Isa says yes, and the group celebrates their future. Meanwhile, Seo Joon surprises Jugyeong with a promise ring. As the stars shine above them, they vow to face anything the future brings—together.