Des:My sister has enormous breasts, and every boy who passes by her eyes are glued to her. Even though Im the older brother, Im always fascinated by my younger sisters huge breasts, and Im always disappointed. One day, during my physics class, I mistakenly read the universal gravitation force as ``Banyuu Chinriki...Well, Im not an earthling, but an alien with big breasts, so ``Bannyuu Chinriki is fine. is!