[Mosaic removed] Kenji, a ronin student, decides to stay at his brother's and his wife's house so that his highly educated brother's wife, Ayumi, can watch him study. However, Kenji, who has been studying all the time and has no tolerance for women, is on the verge of exploding just by being brought close to her beautiful face. He's not very good at studying for entrance exams. Ayumi, worried about Kenji, proposes to write a new brush to eradicate her worldly desires... The best virginity graduation experience where you can have a creampie lecture by your high-spec brother's wife who has everything: good looks, good academic background, and good personality!