When did the gear go crazy ... Ten years ago, when she married her husband, her brother Tatsuya and her younger brother Kazuya were bright and sociable children. However, after failing to take the exam, his older brother began to withdraw to his home, and his younger brother Kazuya gradually became a dark and distorted personality. And one day, Kazuya asked me for sexual treatment with dark and muddy eyes ... I was comforting him because I didn't know what would happen, but his brother Tatsuya saw him ...