PRED-119 Infatuated with his best friend's sister

PRED-119 My Only Favorite Female Girl Anna Older Sister. Yuka Arai is the beautiful older sister of a high school boy. Even though he is in his teens, his younger brother looks foolish. However, he is close to two seemingly cunning classmates. Every day, two close friends keep asking to go to their younger brother's house to study in a group because they simply know that their friend has an older sister who is so delicious and sweet. As for her older sister, she was also very lewd. She knew that her 17-year-old younger brother had broken a buffalo's horn, so she seduced him and destroyed his virginity. After that, she also invited her brother's two best friends to fuck her, really. It's hard to accept that.