O-L from Ochanomizu Amateur Research Institute, Reira Fujii, is a career-driven office lady with a stunning, high-spec body boasting G-cup breasts. She claims she doesn't need a boyfriend at the moment. However, the man she met through a dating app sensed her pent-up frustration and proved to be the gentle, meticulous type who carefully tended to her desires. An erotic relationship soon unfolds between them.