Hitotsu no Shigusa mo

Hiroyuki Itou, affectionately known as Hiro-kun by his students, is a young mathematics instructor at the prestigious private Taihei Academy. Serving as the homeroom teacher for Class 3-3, he carries himself with a quiet, effortless coolness that commands attention. Tall and strikingly youthful in appearance, he blends so naturally among the male student body that it is often difficult to distinguish him from the teenagers he teaches. Yet, beneath this approachable exterior lies a figure who has quietly captured the heart of one of his students. For the unnamed narrator, Hiro-kun is far more than just an educator—he is the person she loves. This manga chronicles her deeply personal emotional journey during the fifteenth winter of her life, a season defined by a profound and unspoken attachment to her homeroom teacher. Caught between the innocence of youth and the heavy burden of an impossible affection, she navigates the quiet ache of loving someone entirely out of reach. Her story unfolds not through grand dramatic gestures, but through small, meaningful moments and fleeting glances within the familiar halls of the academy. Ultimately, this is a tender yet melancholic tale exploring the fragile beauty of first love, wrapped in a gentle sadness that lingers long after the winter snow begins to fall.