Inspired by the manga of Yoshu Ohepe, this story follows Takumi, who can't help but daydream about the stunning Saki-senpai. Her curvaceous figure catches his eye no matter where they are. One fateful day, they strike up a conversation on a train and quickly become friends. Takumi finds any excuse to gaze at her, often getting aroused by her presence. The plot thickens when he discovers they share a common fetish, setting the stage for an intriguing journey.