As you drive home she changes even further. Her Breasts have gone from C cups to about a double D, Her ears and hair are now jet black plus her ears now resemble that of a cat, Her eyes now are now slits, She has full grown whiskers and Her clothes have changed from jeans an a striped t-shirt to a blue striped bra and panties with blue striped knee high socks which make you see that she has also grown a tail and her feet ar now paws.
When you finally arrive home Brooke is going crazy tring to wanting relief "M-master a-are we thier yet?" She asks and you respond with a nod and she begins to pant harder as she speedily unbuckle and rushes inside just in front of you. By the time you get inside she locks the door and she nor you can control yourselves. You push her against the wall a begin to kiss her while slipping off her bra and panties while she does the same to you. The two of you begin to move to the couch and another wave of dominance waves over you. Brooke also displays emotion as she shudders in pleasure as you lay her on the bed and you sit on top of her reading yourself to claim your pet. Unknown to you the collar begins it's final preparation to cement Brooke as your Neko fucktoy forever. You finally decide to take her virginity as you slam you dick into her, dominance filling your brain as you fuck your pet. You reval in her screams of pain and pleasure as she get her own burst of emotion but, hers begins to change her on a fundamental level. The pleasure begins to wipe her memories. She is no longer Brooke she is a fucktoy for her master. She no longer remembers her family or friends only you and the pleasure you give her as you two begin to climax, Finally her personality is completely rewriten from a tomboyish girl to a submissive slut who only thinks about pleasureing her master. Finally you and your fucktoy collapse from the pleasure. Hopefully this is what you wanted