She dresses in rather modest clothes." I took a sip of my coffee gathering my thoughts. "Don't forget she spent her high school years as cheerleader a...d remember how short those skirts are."He thought about that. Took a sip of his coffee. "Yes, I suppose you are right. I just didn't expect to see a half-naked woman in my kitchen. You know your sister didn't ever dress like that." Well, not in the kitchen. She did moving between her room and bathroom. I've seen her growing up in her undies more. Then Sandy' has a surprise for you. I want you to suck it.'What? Sandy stepped before me and I noticed that her pink panties bulged at the front like mine, only much, much bigger. She slipped them to the side and out popped a big, meaty uncut cock. She pressed it to my lips and I started sucking it. I was in heaven as I tasted the pre-cum from her cock. I started gagging and Mistress said, 'A good sissy must relax her throat.' I tried my best as Sandy's cock got bigger and bigger in my mouth,. But on nights like this, alone, in the dark, it was too easy to think of the building as her own tomb. She felt like one of the slaves buried with the old kings, tending the dead forever. Someone knocked on her office door. She jumped. ‘Dr. Hiller?’ said a voice. She groaned, Marcus. She’d forgotten he was still in the building. ‘Come in,’ she said. He looked slightly sheepish standing in her doorway. He always did. ‘I finished in D-Gallery like you asked.’ He looked at the floor rather than. We were serious to get qualified for IIT.In class 12 she shifted to pg(paying guest) and had much more freedom than class 11. In class 11 she was in hostel and I can’t visit her at place. In class 11 we both didn’t even hug so that our studies don’t get affected. Though I always wanted to have sex with her and I know she too wanted to do it. It was a matter of time it happened. Before that in school we kissed a couple of times.One day she said that she want me to visit her room as she had some.