“Yaaa Kim Dahyun” Sana shouted to a girl who was rushing through the halls of the medical school. 
In the bustling halls of the medical school, amidst the frenzy of students hurrying to their exams, one name echoed louder than the rest: Kim Dahyun. As Sana's voice pierced through the noise, it was clear that Dahyun was in a rush, likely running late for her exam.

Again.

But who was Kim Dahyun beyond the hurried steps and the stress of exams? She was more than just a student racing against time. She was known for her kind heart and sharp intellect, a rare combination that set her apart in the competitive world of medical studies.
Dahyun was not just another face in the crowd; she was a beacon of warmth and compassion in a sea of textbooks and lectures. Her genuine concern for others, coupled with her unwavering determination to excel academically, made her a beloved figure among her peers. Despite the pressures of medical school, Dahyun remained grounded, always willing to lend a helping hand or offer a word of encouragement to those in need. Her kindness knew no bounds, and her classmates often found solace in her comforting presence during challenging times.

As Sana's voice faded into the distance, the spotlight remained on Kim Dahyun, a beacon of light amidst the chaos of medical school “Sana unnie sorry, I will give your notes after the exam” Dahyun half shouted sending air kisses to her senior. 

Sana always soft towards Dahyun. Being combination of the beauty and grace, Sana's captivating aura made her stand out; it was her genuine warmth and kindness that truly endeared her to the hearts of her peers. Despite her status as the heartthrob of the university, Sana remained humble and approachable, always willing to lend an ear or offer a word of encouragement to those in need.

Among her many admirers, there was one individual who held a special place in Sana's heart: Kim Dahyun. As friends, their bond transcended the confines of the university walls, rooted in a deep understanding and mutual respect for one another. Sana's unwavering support and unwavering encouragement served as a source of strength for Dahyun, inspiring her to strive for greatness in both her academic pursuits and personal endeavors.

Together, Sana and Dahyun navigated the challenges of medical school, their friendship serving as a guiding light through the darkest of times. Whether they were studying late into the night or simply sharing a laugh over lunch, their bond remained unbreakable, a testament to the power of true friendship. They held a special bond but …………
"sometimes people cannot see what in front of them" – said Jihyo who always rooted for the two of them dating. 

Years had flown by since Sana and Dahyun graduated from medical school, and fate had brought them both to the same hospital, where they continued to navigate the complexities of life and medicine side by side. They were more than just colleagues; they were confidantes, comrades, and kindred spirits whose bond had only deepened with time.

But then, life took an unexpected turn for Dahyun. A tragic accident claimed the lives of her brother and sister-in-law, leaving behind their young son, Uju. In an instant, Dahyun found herself in