Bokura wa Minna Ikiteiru!

A girl relocates from the countryside to the city in search of her older sister. Shortly after her arrival, she notices a cat on the verge of falling from a rooftop and attempts to rescue it, resulting in her own fall. She later awakens to discover that the cat, using one of its nine lives, has revived her. However, this act grants her only one year of life, prompting her to solve 100 cases to restore her full lifespan. Her journey involves encounters with animals that take human form. The story includes two additional chapters.