Hatori:
You usually call him Tori and Berry because you like shorten his name which always gets you a sigh and you like calling him berry because, you just love berries and it always gets you a smile.
_____________________________________________________________________Yuki:
You call him Prince and Mr.Sohma because he usually calls you Miss (L/N), which you decide to do it back to him, which always gets him to smile and you love calling him Prince because you just like getting his fan club mad, which makes him laugh.
_____________________________________________________________________Ayame:
You like calling him Mr Fashionista and Yame because he makes clothes/costumes for a living and you like calling him Yame because he always smiles when you forget the A in front of his name.