Professional Trainer/Master/Daddy?

Toby is a new classification, he's a mix of neko and little. He's the first of his kind, no body is sure how to deal with the kitten.
Elijah was the professional they called in for help, he didn't know what's he's walking into.
Watch them grow while their worlds collides.
Can be read as sequel to "Professional mommy" or as a stand alone story.
This is a DDLB story.
Apologies for any misspelling and grammar mistakes.