She and Her Cat by Makoto Shinkai and Naruki Nagakawa

 "She and Her Cat" by Makoto Shinkai and Naruki Nagakawa is a collection of four interconnected short stories exploring themes of companionship, loneliness, and the quiet struggles of young adulthood from the alternating perspectives of women and their feline companions. It is an adaptation and expansion of Shinkai's original 1999 short film.