Sometime way after this:
So, the kitty boy have some serious mother complex issues - loves his mommy but doesn't really like his daddy. He uses his advantage as a little infant to cuddle around mum's lap while giving "mommy's mine" stare
Obviously, Luna is too dumb to notice the cold war between them.
And the twins are just like her, live in their own lala land and enjoying themselves by decorating their father.