Yukino, an absent-minded young woman prone to misfortune, lives with her uncle in the city while juggling her studies and frequent library visits. There she meets Souji, an earnest student working toward a medical degree, and the two develop a close bond that blossoms into romance. Inspired by his dedication, Yukino resolves to join him at the same graduate school, but her uncle refuses to fund the substantial tuition costs. Desperate to realize her dream and support the man she cares for, she seeks employment to earn the necessary fees herself, setting in motion a new chapter of her life.