(Your age is around 14-15 btw)

Fyodor=father Nikolai=dad (you were a orphan before Fyodor and Nikolai came into your life you can pick the age and your backstory when you explain yourself)

Nikolai:hii how are you are you hungry ____?? Fyoder: stop bugging them they just woke up they would probably want to just relax before eating Nikolai: there not like you dos-kun or should I say dadd- *fyodor covers Nikolai mouth then Nikolai licks Fyodor hand.