A twin sister and brother are very attracted to each other.

NB: This story contains mature themes of erotic sex, incest/taboo sex and of an adult, explicit, SEXUAL nature.

Enjoy.

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Daphne and Doug Johnson had just turned 18 in the summer of 1974. Unfortunately, their birthday had fallen at an inopportune time for a party, so their parents had promised them a party later in the summer. They had another year of school and were looking forward to all the special and fun activities of their senior year in high school. Although they were twins, they rarely had arguments or had any serious disagreements. Doug was very tall, 6-3,...