香りに超敏感な高階は、研究室の先輩・有路の匂いだけになぜか興奮してしまう。どうしても"嗅ぎたいっ!!"という欲求がどんどん高まり、抑えられなくなり…。 Takashina, who usually finds it unpleasant to maintain close relationships with others because of his extreme sensitivity to smell, accidentally encounters the perfect scent while helping out one of his senpai at the college lab one night. From that day on, his desire to keep experiencing that smell grows ever stronger, and then...