Tashi.

While still in elementary school, young Tashi rescued a stray dog. But the stray dog is adopted and named Tashi, which makes Tashi the laughing stock of his classmates. So little Tashi plans to kill the dog Tashi, but accidentally hits him blind. Tashi has been guilty for many years and suffers from eye disease. Tashi believes that this is the curse of the dog’s owner. Years later, when he becomes a famous writer and returns to his hometown, he learns another truth.