A 50-year-old male professor working at a university in Tokyo and 24-year-old Ayumi, known for her distinctive short hair, are involved in a secret affair. When asked about how their relationship began, she recalls, "When we were alone during a research session for his seminar, he suddenly kissed me without saying a word." That moment profoundly moved her. She felt immense tenderness and love in his kiss, describing it as a warm, blissful sensation that enveloped her completely. Her words reveal how his way of expressing affection—through that kiss—deeply touched her heart and sparked a significant emotional shift within her.