"Are you really that desperate...?" Akari is asked by Takeru, a younger guy at her university. It seems that, without realizing it, Akari has been letting out erotic moans on the train she rides to school every morning... And with an erotic expression at that. The extremely forward Takeru says that he'll be her partner, and sticks his tongue in her ear...!? She doesn't want it, but... Takeru's smell causes Akari's body to seek further pleasure. "What in the world has happened to me...!?"