Her Name is Tess

(from ebookjapan):

Tess, a small white puppy, was born in a large mansion and carefully raised by her kind grandmother, but after her grandmother's sudden death, she is abandoned. When Tess is left all alone, she is rescued by a kind girl named Mari-chan, who lives in the dormitory of the auto repair company where her father works.

One day, Mari-chan's father is accused of causing a car accident, and Mari-chan and her son are kicked out of the company. Tess is separated from Mari-chan, but...

Leiji Matsumoto depicts a sad but beautiful touching story of people and animals. Includes five stories: "Her Name is Tess," "Lulu the Snowbird," "The Forest is in the Green," "Luna the Golden," and "Petals of Snow.