She uses it on her swimsuit.

She grabbed a few Upgraders and click-clacked her way to the bench, breathing deeply.

"Now, how do I use them? They won't fit in the keyhole."

The girl noticed that the front end of the cylinder was flexible and figured that she could apply it to any part of her outfit.

"Ah well. I'll just stick it over the keyhole and see what happens." — Jen said and did exactly that.

A green rectangle started glowing on the side of the device, and it started pumping the substance into the steel plate. When it became empty, it fell off on its own. At first, Jen did not notice it doing anything and just thought it was weird that something could be injected into solid steel.

The keyhole was still in place and still locked, which disappointed her greatly.

"I just hope I did not make it any worse."

As she said that, the swimsuit started changing its shape around the keyhole area! The shoulder straps started extending on their own and steel started to spread like it was liquid. The girl tried to stop that, but 'liquid' steel proved to be too solid to allow any intervention to the process.

It enveloped the shoulders and then crept up her neck, creating an integrated collar that made her posture even stricter than before. The swimsuit also got noticeably tighter over her breasts, but they did not start to look smaller, it was as if it got thicker on the inside. With that, the upgrade process was complete.

"I definitely made it worse! Fucking shit, I can't turn my head around properly... and I also can't raise my arms anymore!"

What started as an attempt to calm herself and reason her way out of her predicament was going downhill quickly. Angrier than ever, she stood up and looked around for something to smash. The red screen of the 'STAFF ONLY' door caught her eye.

"4/5"

With a bit of strain, Jen reached her shoulders and realized that both of them had a keyhole now! Realizing that she needed one more key now was the final spark.

{If Insanity > 19}"Oh, please, stop making this face, sweetheart. Anger does not suit you."