[@G-Noel Ag Noel] I sent some naughty toys to the house of a high school girl who passes by my house every morning...

Overview： A month after Saki (the heroine) finally starts dating her longtime boyfriend,Ma-kun,Saki receives a parcel at her home. When she opens it,she finds a device called an "Etiquette Ball" and information about being a trial monitor for a new product. "Insert this into your vagina and use the included wireless remote to remove dirt and odors from inside the vagina," the package states. Alongside the advertisement is a questionnaire that reads,"We asked boyfriends. Just between you and me,are you worried about your girlfriend's vaginal odor?...85%!" This anxiety-inducing survey leads Saki,who still has little sexual knowledge,to think about what it would be like if she were to get into that kind of relationship with Ma-kun in the future,and so she decides to timidly give it a try.