Another two of the mysterious Sirens, this one loves a good fight and has been known to wreak havoc on the battlefield. Tester β is equipped with plenty of heavy weapons specifically for this purpose, as you can see.



Sirens love to make observations and talk about worlds as though they are simulations, and Tester's job seems to be to run tests within the "simulations", although she always seems to get into big fights while she's doing that. But unlike some of the others, she does know when it's time to give up and retreat, espeically when she's finished doing her job. She's also able to dig up any information about a particular individual that she needs, whether it's to learn someone's weaknesses, predict how they'll react to something and even to simply cause some trouble.


You've probably already guessed, but yes, Tester β is one of the more popular Sirens, so you'd have a very easy time finding her in art, and that means she's one of the few Sirens that doesn't have that problem.