My friend's son, Masaya, frequently comes over to hang out, and over time, Rieko notices he's always giving her lustful looks. She tries to convince herself it's just youthful impulse, but one day, she realizes he's genuinely aroused by her. Sensing the pure desire of a young man directed at her, Rieko feels a deep warmth stirring within her chest. The highlight of this story is how these emotions take shape and how their relationship unfolds.