Stepbrother fucks his stepsister

The boy wanted to be a girlfriend but he was not getting any girlfriend, one day he told his stepsister to make one of your friends my girlfriend. On this, the stepsister said, "Why do I become your girlfriend to any of my friends?" At first, the boy thought his stepsister was joking with him, but in a short time the stepsister was ready to have sex with him and then both of them had sex.