I'm Blind, He's Not a Guide Dog

There is such a person who stays with you loyally, loves you, and protects you. Bai Lingchuan, who was born without an arm, grew up in Jincui Mountain. When he went into the mountain to collect medicine, he met the helpless Huaicang. This was the first friend he had met in seventeen years. Bai Lingchuan was very happy. When he knew that Huaicang had lost his family and was helpless, he decided to take Huaicang away from the mountains. On the way out, they encountered robbers. In desperation, Huaicang unexpectedly turned into a black dog! Bai Lingchuan also injured his eyes. In order to return Huaicang to his human form and heal his eyes, they decided to find the legendary fairyland. From then on, the two began a fantasy journey with ups and downs.