《四则运算中的奇妙世界：爱与思考的交汇》tickle故事吧

　　Diogo and Emília have been together for 16 years. They have a teenage daughter and undergo a tedious phase. However, everything turns upside down when they find out their best friends, Ricardo and Bettina, have an open marriage. More than that: they are swingers, are super cool about this choice, and try to convince the other couple that it is possible to be quite happy with th... (展开全部)