Ichido Sex Suru Made Shinenai! Vol. 1

A science-loving virgin is serious about experiencing her first time! There’s only one thing she absolutely wants to make sure she does before she dies!
Twenty-eight-year-old Kana Furukawa was in a terrible accident when she realized that she hasn’t gone the whole way with someone once in her whole life. With that in mind and a desperation to experience it at least once, she asks her coworker Honda if he’d be willing, and he responds saying, “Sure. If you let me have it my way.”