Can you write a sexually charged story about twin sister NAME_1 and NAME_2 sitting on a small couch with thier legs intertwined underneath a blanket. Give them lustful personalities and describe thier looks. They have been drinking. As they watch a move they become aroused and start secretly masturbating. A bottle gets used by one sister. The other realizing what is happening slips the other end of the bottle in to her pussy. They both push together unwell their clits rub together. They both know but refuse to acknowledge what's happening. Add and expand any details missed or missing.