So if Kubo called him father, then that meant Kubo was his son. But Kubo was Monkey's son, even if she...was no longer a monkey. Because she was a person, just turned in to a monkey because...

Mental tracking was aborted as there was suddenly a Kubo at his waist. Beetle made a little 'mm!' of surprise, automatically dropping his lower two arms to return the embrace without hesitation. Didn't need thought for that, but there was still a trail as he looked back up at...

At her.

"...Starlight?"

He still had two perfectly good arms to sort of hold open after his question.