Six female graduate students from the same class at XX Medical University faced a range of serious illnesses during their clinical rotations, witnessing the hospital's joys and sorrows, its warmth and coldness. With graduation approaching, each made her own decision, and they went their separate ways to grow. Then, one year later, graduation season came around again, and the six reunited to look back on their graduate-school years. The most beautiful thing in all that time was seeing themselves emerge from their cocoons.