Dominating your little sister

         Suddenly, I heard the door to his closet slide open, and after a few moments I heard my brother Tommy’s voice across from me, like he was sitting down right in front of me, “Hey baby sis. Look at you all tied-up and helpless!”
         I started whining at him through the gag, but Tommy seemed to ignore me while he continued, “You know kiddo, I always just thought of you as my annoying brat of a sister. But all those online Loli pictures I’ve been looking at gave me some ideas for some fun games we can play all weekend while Mom’s away.
         While I loved the idea of my big brother showing me so much attention, I was getting scared of what he had in mind for games and tried to voice my concerns again through the gag, which he still paid no attention to.
         Then I felt Tommy’s hands touching along my body. It was gentle, but it scared me to suddenly feel him caressing me and being able to do nothing at all about it. His hands roamed all over my body, making me squeal and shiver as I tugged helplessly at the ropes holding me tightly stretched out. Especially when Tommy started poking and lightly rubbing on my nipples. It felt nice, but somehow naughty for my brother to make me feel like that, and I was snarling and frowning behind the gag as I felt him continue to stroke my left nipple with his fingers, while I felt him kissing and licking my right! He lightly bit my nipple before releasing it, which caused me to yelp even louder in consternation.
         I heard Tommy chuckling while I was loudly fussing behind the tape at him, “Aww! I forgot how delicate my baby sis is! Is Lily whimpering like a naughty baby girl?” as he started…