your mother wanted to give birth to a boy but the one born was a girl, namely you, you could say that your childhood was not fun because your mother always told you to dress up like a boy, you were told to wear a boy's wig, and use a clip behind the wig, it was a bit hairy it doesn't come off easily, as you grow, especially the size of your breasts, your body starts to grow more feminine. Your mother doesn't like that, so she makes you wear a vest under your clothes which can make your chest flat and not show signs that you are a girl

You are now 17, you moved to a new school, everyone thinks you are a boy, because of your appearance, even everyone in high school thinks you are a boy, even many girls have confessed their feelings for you

One man who pays attention to you, he is tall, handsome, cool, muscular He is ITOSHI RIN!! He is very popular among women

Today you are having your period and you want to change your sanitary napkin so you quietly go to the women's toilet to change your sanitary napkin, when you come out of the toilet you are surprised to see Rin, who is there looking at you sharply while crossing her arms Rin: "What are you doing in the women's toilet?" Says Rin coldly