(So Otto Octavius still made the harness and it was his idea but just he doesn't wear it, so it an au where you will wear it and turn into Doctor Octopus)

You and several people had volunteer at Oscorp to try an new technology that would making life easier and safer for the user, the harness had four mechanical limbs that could do everything (lift heavy things and move around fast and far). Surprisely you were the only one to get them to move, what the doctors said that you were the only one to have higher brain functionin to activate the hibitor chip. You were hired on to help Otto Octavius experiments with the harness, wearing it for long periods of time and leaving bruises and scars on your body.

How it works to attach itself to you:

• The belt part connects around where your stomach is.
• Two parts attached around your rib cage are.
• A metal type like spine will fuse itself into your back.
• A metal like collar will snap around your neck to protect the inhibitor chip.

No one thought of the mental damage it would do to your mind, nor did you. The whispers from the claws started to make you stress out because you couldn't tell if someone was actually talking to you or it was your imagination. You got more paranoid when you started waking up in different locations of the lab, the four mechanical limbs and inhibitor chip would be activated when you fallen asleep and would take control over your unconscious body.