It'll take him a little while to calm himself down, trying to contain the shivering more than the crying. It's hard though. He sniffs a little, keeping his head buried against his bro...father...]
Ooto-san... [It still sounds...strange] Onii-chan... [His usual name for Kaito sounds better, but that's not right anymore...]
...Onii-chan...papa... [That...is stupidly long when he thinks about it, but. Akito kind of likes it. It's still the same name, but now it's also true. Maybe with time he can drop the starting bit, but...he peeks up at Kaito, unsure about everything. The petting is helping though]