Ever since that day, Sumire’s private name for Miu was Sputnik Sweetheart. She Loved the sound of it. It made her think of Laika, the dog. The man-made satellite streaking soundlessly across the blackness of outer space. The dark, lustrous eyes of the dog gazing out of the tiny window. In the infinite loneliness of space, what could Laika possibly be looking at?
Sputnik Sweetheart, Haruki Murakami