The two couples made love and played very closely, so these 2 couples often shared about sex, they confided that they liked to fuck each other collectively, so the 4 people agreed to fuck each other, at first the 2 girls still had sex with their lovers, but when they were stimulated and felt happy, the 2 children began swapping places for each other to try the taste of the new cock, the 2 boys who exchanged lovers for each other were also inspired to have sex a lot.