ZUKO-087 Making mischievous playren for my four sisters - Mai Usami

Your brother (you) has to devote everything for his sisters. In order for their bodies to grow healthy, they rub the area around the chest in the bath, sleep together, stimulate the area around the crotch, and in some cases inject semen etc. into everyone to adjust the hormone balance. However, why is it that the effort is not easily transmitted to the sisters and sometimes makes me feel uncomfortable? ... Yes, it's because you enter the room in the state of Count Full Bokki with a perverted wig.