Nanase lived with her mother and her adolescent brother, Kosuke. Because she was a mother who only worked and didn't care for her family, Nanase was also taking care of housework and Kosuke. One day, Kosuke's crotch reacts to the appearance of a bold mother after taking a bath. Knowing such a situation, Nanase decides to teach sex education with her own body because of her love for her ignorant younger brother.
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![[ENGLISH-SUBTITLE] GVG-333 Sister's Reality Education Nanase Otoha](https://upload18.cc/v/GVG-333-ENGLISH-SUBTITLE/poster.jpg)
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