Sawa Sawamura, a 34-year-old single mother, works part-time to support her daughter while struggling to build meaningful connections with others. Reserved and guarded by necessity, she finds it difficult to open her heart. When her daughter's new homeroom teacher, Hashimoto—a quiet, observant man in his early forties—shows up, Sawa initially feels uncomfortable. Yet when her daughter begins showing signs of school refusal, Hashimoto reaches out with unexpected warmth and sincerity. His calm dedi