The Shell by LonelyZentai (Archive Link)

A lovely little mechanization / robot-suit story by LonelyZentai following Kayla going a bit too far with her curiosity. Getting one of the high-tech exosuit kind of garment, she had been somewhat obsessed with, ever since she first learned of it. Secretly sneaking into the facility that produced them, she swiftly gets dressed in the tight, zipless undersuit and begins assembling the entire suit. Bit by bit, she builds up the fantastic exoskeleton like shell and has mind-blowing experiences playing with it afterwards. The problems just arise when some errors occur when trying to disassemble the shell…