After a few months of RK900 being at the station, Nines and Connor got close, being from the same server helped.

A few weeks passed, Connor was let go and hid out in Nines' house to avoid being shut down by CyberLife, knowing he was still useful. Nines showed that he was hiding another RK800 model, one that was more... extreme, subtly making jabs at Nines, but not going too far to entice a fight since the RK900 had more features and is better than all RK800 models.

They all eventually got close and Connor first initiated physical affection with Nines, who didn't object, but also didn't outwardly reciprocate. It all snowballed when Sixty touched Connor's chest from behind and asked before kissing his neck. And after a bit, it got to a point where Sixty could point a gun at one of the others (which didn't even have any bullets in it) with it being considered attractive. Then Sixty and Nines sort of ambushed Connor when he was done taking a shower out of routine rather than necessity, upstairs in a spare room.

Nines went first, touching the side of Connor's head and making him look then kissing his face while being in front of him, distracting him as Sixty came up and held Connor's hip and pressed an unloaded, safe gun to his temple.