Manga Murenase! Shiiton Gakuen

Seton Academy, a school full of animals, where due to a decrease in the population of people, there is less than any other creature. Mazama Jin, who hates animals and the only male man in his class, falls in love with Hino Hitomi, the only female human, as soon as he sees her. However, he soon finds himself confused with various other creatures after reluctantly joining the "pack" of the Lanka the wolf, the only other member of her pack.