The manga opens up with a familiar scene from Hoshi Mamoru Inu. A cardboard box, with abandoned puppies only waiting to be picked up…
Binary Star: The first part introduces us to a bitter old lady. On her way back home, she stops in front of a cardboard box, where only a small and sick puppy is left. Hesitant to bring it home at first, she then thinks this encounter may just be her “calling”.
The First Magnitude Star: Tetsuo lived happy days as a child with his grandfather. But he now lives with his mother, who does not give him any attention… A touching tale of a young boy in his pursuit of his lost happiness, and the many hardships he'll have to face during his journey.