Ookami Kodomo no Ame to Yuki (Dub)

Hana, a hard-working college student, falls in love with a mysterious man who attends one of her classes though he is not an actual student. As it turns out, he is not truly human either. On a full moon night, he transforms, revealing that he is the last werewolf alive. Despite this, Hanas love remains strong, and the two ultimately decide to start a family.