This is a world where beastmen who have evolved with certain characteristics from animals live.

Overcoming the barrier of being herbivore and carnivore, the rabbit, Usami Kuroto, has become lovers with the wolf, Hoezaki Shirou. Cherished by the kind and quite overprotective Shirou, they lead a lovey-dovey life. But, Shirou's mom discovers their relationship…!

An episode of them as young adults is also included.

Series Order:

1. Ookami-kun wa Kowakunai (wolf × bunny)
2. Thoroughbred wa Nabikanai (lion × horse)
3. Ookami-kun wa Hanasanai (wolf × bunny)
4. Thoroughbred wa Yuruganai (lion × horse)
5. Hyena-kun wa Mitomenai (hyena × guinea pig)
6. Ookami-kun wa Yuzuranai (wolf × bunny)
7. Shepherd-kun wa Akiramenai (dog x wolf)*