Biosuit

...a biosuit that you been working on is now finally complete.

In a way, this suit looks like a morphsuit or zentai suit, but when a person wears this suit he or she can transforms into anyone else. In this biosuit, it contains a nanobot which the user can be able to think of a person or even see some people that they can change, they can also alter their personality and memories of the person they change. In fact, the way you designed it, it looked more like a normal morphsuit that no one can identify it as a weapon. All these months, you just glad that you can finally rest and show it to your friends and your girlfriend that you did it. Now, it finally complete you will be able to test and see how this work.

Then, you decided that you would grab the suit and you decided to find a person you could test on, but who could it be...