在星空下，我轻声许愿，愿与君共度此刻，心意相连，岁月静好。能让下面流水的文章污

　　There is a girl who is a student at a tailoring school. She has a friend who has a boyfriend and is always having sex. She herself, however, remains a virgin. She sees her brother masturbating one day. She asks her friend to have sex with her brother. Her friend asks her to spread it for her older brother in exchange. It is a deal and the four go on a hike.