A young woman named Yui has been having trouble at school due to her large breasts. She decides to seek help from a friend who suggests she try wearing a push-up bra. However, when she goes shopping for one, she ends up getting lost in the lingerie section and starts feeling aroused by all the sensual items around her. Eventually, she finds herself in front of a mirror trying on various outfits and accessories, including a revealing maid costume that leaves little to the imagination. As she continues exploring her newfound sexuality, she discovers a hidden camera in the changing room and becomes excited by the thought of being watched. This leads to a series of intimate encounters where she performs for the camera, eventually leading to a passionate love scene involving multiple partners and creampies. Throughout the story, Yui learns to embrace her body and desires while also navigating the complexities of high school life.
