Kubiwa no Nai Inu-tachi

The protagonist Haru volunteers in a shelter for dogs that have been abandoned and are in danger of losing their lives—the last refuge for rescue dogs. Here, she is confronted with the dark side of the pet industry, including puppy factories, retired breeding dogs, mixed-breed dogs, and abandonment. She witnesses the heartbreaking reality surrounding dogs and the world they live in. Determined to save their lives, Haru rises to the challenge.

(Source: Kodansha, translated)