sequel to http://www.mangago.me/read-manga/kedamono_arashi/
In this manga, some humans have animal ears and it happens that normal humans end up with an animal baby. In this manga, the doctor is one of those babies who was raised by normal humans. Therefore, heats mating periods and his heats since it is animalistic. However, he gets pursued by and alpha who he ends up having a child with in this sequel.
Kedamono Arashi - Kiss Me Baby! -