I honestly don't remember the story line but this maybe?
https://www.mangago.zone/read-manga/woof_wolf/
not that similar but still:
https://www.mangago.zone/read-manga/my_one_and_only_cat/
https://www.mangago.zone/read-manga/cat_in_a_cardboard_box/
https://www.mangago.zone/read-manga/cold_blooded_beast/
https://www.mangago.zone/read-manga/habibi_s_rabbits/
https://www.mangago.zone/read-manga/dragon_making_love/
https://www.mangago.zone/read-manga/master_of_master/
Literally just finished this and thought it was cute as hell
https://www.mangago.zone/read-manga/ookami_sama_no_koiwazurai/
It’s about two best friends and one of them is red headed and learns that he can turn into a wolf, while doing so they go on a break but the ml (red head wolf) finally gets his confession out and they end up together, the front is him with a collar and the mc is holding the leash