Up until now, Neku has been actually avoiding engaging in combat needlessly. Okay, so he's still getting used to the whole "helping people" thing... he's out on patrol, as anyone who has powers probably would be considering all the shit that is going down, but he has really only been starting shit where there are people immediately in danger. Otherwise... see a cyborg minding its own business? Walk on by.

He's been doing pretty well at that too, keeping to the rooftops and making a quick dash when needed to avoid trouble finding him, but when he hears Miko swearing a few buildings over he figures that his luck probably just ran out.

He dashes his way over to investigate, scope out the area... hopefully it's nothing?

Nope nevermind there's what appears to be an older girl and some weird dude in spandex getting aggressed by yet another shitty cyborg. He takes a moment to reflect ruefully about how life used to be so much simpler before he woke up in the hospital one day with the ability to fling cars around with his brain.

As the cyborg suddenly bursts through the smoke and charges in their direction, Neku picks up a patio table off of someone's nearby roof garden and brains the cyborg with it.

He hops down off the roof top, looking urgent and snaps at them both: "Take the opening, quick, run!