I know Edef reads these threads occasionally so its worth mentioning this, see if other people get the same bug/behavior. if you spawn two characters, one in BJ position and the other moved to stand in front of them, i think the two animations (just standing or thrusting? from the one standing, SUCC from the one in BJ position) conflict or cancel out. the dick snaps in position lined up with their face and you can hear the moans but the animations are stuck. havent seen anything gamebreaking otherwise, i definitely intend on throwing money at this in the future lol.
Edit: Its atlas thats the issue, seems to work with the others but their jaw is bugged if atlas is the one being blown