[The misfortune of Yuuri Adachi, a female student who is too ignorant about sex] G cup, beautiful girl. No matter how you look at it, Yuuri only has the ability to be popular, but she does have one flaw. She is ignorant of sex, and she does not know her weapons. She never even dreamed that her big breasts would drive men crazy, and today and tomorrow she goes to school without a bra over and over again. She has big breasts that are firm and transparent, including uniforms, swimsuits, gym clothes, and private clothes.