Anyway, it was going well, and she was also helping me with my study. We were bonding, and I was finally feeling at home. Everything was going well; e...en me and my sister were back to our normal selves.Then one day, it was Saturday. I woke up in the morning and went to the bathroom to pee. Maybe it was an accident, but the door was open, and my sister was taking a shower inside. I had just woken up and barely noticed her there.She was facing towards the wall, and with us, both not knowing each. I walked over to the flatmate, pulled her towards me by the waist and kissed her. Her lips parted and her tongue sought out my own urgently. I savoured the flavour, slightly fruity just like her other juices. I found it ironic that I’d actually tasted those before our first kiss.My hand made its way down between us as we kissed hungrily. I felt my way past her gentle tuft of pubic hair into the wetness of her snatch. The scent of her arousal wafted up to me and my penis began to harden again,. I was teasing her, and I knew it was working as I heard her whimper. I waited until it seemed she couldn't take it any longer, and without warning plunged my tongue as deep into the folds of her pussy as I was able. She let out a yelp as she threw her head back in pleasure. My hand found her clit, rubbing away as I licked and sucked. She writhed, her hips rocking to match my movements. One of her hands was playing with her breasts, the other on my head, digging her fingers into my hair, pushing. I then got behind her and plunged my cock into her pussy from behind and began fucking her doggie style.I pulled Stella up so that she was on her hands and knees and I put my arm around her neck to hold her upright. I began to nibble on the flesh of her neck and whisper erotic sayings in her ear, telling her what I was going to do to her."Mmmmmm yes daddy," take me, Stella moaned. "I am your trashy little whore to do with as you please. I wanna be daddy's good little girl in public but his.