My sister Mei was quiet and quiet, but I missed her. My parents aren't aware of it, but my sister is really curious about sex, and now I'm living alone, and I've been sexually mischievous with my sister for a long time. One day, my parents go home to see how my grandfather was injured. But my sister didn't want to follow me, so my parents, who hesitated to leave one daughter around, called me. When I was alone, my sister and I crossed the line and enthusiastically met.