"DO NOT JUMP IN HERE" the sign above the large square hole said, as Chell gazed at the bottom of the unassuming hole. It was just an empty hole as far as she could see, with a small door in one of the walls.
Not heeding the sign, she jumped down to investigate, however, before she could fall several feet, she's grabbed by several robot arms. Before long several other arms strip her of everything but her portal gun and boots.
She continues struggling, humiliated by her body being completely exposed and on display. She notices another arm, different from the others closing in between her legs. It slowly inches towards her groin and inserts itself into her, and soon the head of the device on the end of the arm is fully inserted.
She feels the arm beginning to vibrate vigorously, and she is unable to control herself. Soon the machine oozes a sedative cream after she reaches the peak of her euphoria and she is safely taken back to her designated quarters.
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A more explicit piece this time, I'm trying to experiment more and expand my abilities :D