Well, all YoRHa units regardless of designation are outfitted with the ability to feel something similar to a dopamine rush when forced into combat, right? It's a sort of euphoric high that is the closest I can think of that we can relate to when it comes to feeling good the way humans do when they...y'know. Aside from altering settings when it comes to sensitivity input and having it register as something pleasant. So, I've taken a plug-in chip and made it so it works alongside our OS chip and baseline settings, to automatically adjust how we feel depending on certain stimuli and inputs, along with triggering that release of feel-good that usually comes with eliminating threats.

_{[Which means crafty Nines has been messing around with things he'd get in trouble for, if they were still under Command's rule.]}

Let's just say I've been putting all the free time I have to good use. Er, sort of.

_{[When he's not using it to watch Food Network, that is.]}