Megan's older brother comes home to find her white lips wrapped around a giant black cock. After lecturing her, he blackmails her. She makes a deal with her horny older brother. She fears her father's wrath more then her brother's cock...
It started when Mom was raped at the age of twelve. I was the result. Later Mom married, had my sister and things started happening. I suppose Mom having large breasts was the beginning but when she was nursing things progressed. Guess you'll just have to read the story but if you've read any others of mine like this I think you'll enjoy.
A Story in the Ridiculous Universe
Many authors have suggested effects of a skewed sex ratio (e.g., Planet Grayson, Honor Harrington opus, David Weber; A Brother's Price, Wen Spencer). This story is nothing at all like those. Daymon's life is ordinary until he is called to meet a Visitor. Is the gorgeous naked girl a figment of imagination? Daymon's planet has a ~20:1 female:male ratio, uses a metric clock (metric-timeDOTcom), and has an orbital period 1/8 longer than Earth's (ponder what that means for individuals' ages).
Joey peeks at his sister and her friends and finds out about his sister's new tattoo. He gets caught with a boner and the girls want to see it. Turnaround is fair play, but when the girls get bare, Joey can't control himself and he takes them all.