Definitely. The story of Hachi originated from a true event. It showcases the remarkable devotion and unwavering love a dog can have for its human companion.
I'm not sure specifically what the 'hachi original story' is without more context. It could be about a character named Hachi. Maybe it's a story about Hachi's adventure, or his relationship with other characters in a particular fictional world.
The 'Hachi the Dog' story is about a very loyal dog named Hachi. Hachi would wait for his owner at the train station every day. Even after his owner passed away, Hachi continued to go to the station for years, showing extraordinary loyalty.