My niece's breasts are developing rapidly. BDST-049

Five years had passed, and when we met again, her future breasts had grown alarmingly large. My brother tried to ignore it, but the distance was too great; his innocent reaction was that of an unconscious monster of breasts… The horizontal cleavage visible beneath her sleeveless top pushed me to my limit, and we made love. I started doing things I shouldn't have with my favorite brother, but I couldn't resist…