Call it a fetish. I knew for sure what she was doing because I got home early one day. I had been gone all week. I went inside our two story house. He... car was there but she didn't seem to be there. It was the middle of the afternoon. I went up stairs and as I went I could hear her. At first I thought some other guy was fucking her and I got kind of mad. She was moaning a breathing very very hard. I though this guy must be hung like a horse! But then I slowly crept to the top of the stairs and. The younger twin, Mia, is kind of a spoiled brat. She is only 18 years old but she looks like she could be a super model, albeit a rather short one. She has that sexy but subtle hourglass figure and a flat belly. She only really possesses maybe a small b-cup or a large a-cup, but they are still large enough to be tantalizing under a sports bra or tight t-shirt.My parents are fairly normal stereotypical parents from the suburbs. My dad is semi fit but still has a bit of a gut. That is all. After sometime I could feel her boobs continuously touching my elbow. Seeing the situation I started to rub my elbow. But there was no reaction from her.I took that as a positive signal. But there was nothing to get closer.After sometime the bus got more crowded and I came after her gave her my place as she was struggling to stand comfortably. But in my mind I was planning something else. With every jerk, I was getting closer to her and after little time my little brother was touching her soft. Jerald began to sputter “But-but paleos!” Jerald complained but paleos silenced him with a stern look. “Fine, I will retreat for now.” He turned his attention back to me and growled. “And you, you best watch yourself lest you face the unimaginable wrath of-” “Yeah yeah yeah scary death threats blazy blazy blah, get out of my dream you spoiled brat.” I said interrupting him just for the fun of it. Jerald stuttered in rage and stormed off (Excuse the pun) and away leaving the two of alone.“You.