KOGD-008 An intelligent girl who likes to study has thoroughly researched sex education. Yozora Mahiro

Synopsis

<p>Even girls who are usually serious and eager to study are interested in naughty studies. A clever girl who is good at studying is also full of curiosity about sex. She is secretly and enthusiastically researching the part that men feel. I&#39;ll ask her to show off the sex education she studied!</p>