HUNTA-863 Invite your friend to fuck your stepsister with big breasts

My sister is a very serious class president and a typical honor student in both appearance and content. But she was bullied and ordered her sister to sleep with sleeping pills. Then, on the first day, her younger sister was picked on by bullies while she was sleeping. The second day he hated her, but if she kept fucking him he would start to have feelings for her. On the third day, her sister was transformed into a ridiculous crazy Ji Po that she asked for herself. I can't believe that my sister is so erotic and I don't want to believe it.