《金属之心：机械与情感的交织》人类异性性行为大全

　　Fraternal twin sisters Emma and Chantal are worlds apart. Emma is self conscious, and unsure of which path to take in life - she dreams of starting a band (they have a pie-chart) with her best friend Gary, who secretly has a crush on her. Chantal, meanwhile, is beautiful, confident, and knows exactly where her life is headed. When their parents go away for the summer, their sim... (展开全部)